convert list of dictionaries to dataframe

Additionally, we covered various list to Python data frame conversion techniques. (2023), 7 Best Tableau Desktop Alternatives (Free & Paid). Notify me via e-mail if anyone answers my comment. how do i convert this into a dataframe with columns properties, product_id,description,ustomer_id and country. Dictionaries with the "columns" orientation will have their keys correspond to columns in the equivalent DataFrame. @ScottBoston You're absolutely right, I've heard that enough times now that I know it is something I should give more serious thought to. This is how to convert a list to DataFrame in Python using dataframe. It is generally the most commonly used pandas object. The difference is the parameters for both: The parameters for pd.DataFrame are limited to: While by using from_records() we have better control on the conversion by option orient: The orientation of the data. python pandas django python-3.x numpy list dataframe tensorflow matplotlib dictionary string keras python-2.7 arrays django-models regex pip machine-learning json selenium datetime deep-learning django-rest-framework csv flask loops for-loop opencv function algorithm tkinter scikit-learn jupyter-notebook windows html beautifulsoup sorting scipy . Perform a quick search across GoLinuxCloud. Making statements based on opinion; back them up with references or personal experience. acknowledge that you have read and understood our, Data Structure & Algorithm Classes (Live), Data Structure & Algorithm-Self Paced(C++/JAVA), Android App Development with Kotlin(Live), Full Stack Development with React & Node JS(Live), GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Adding new column to existing DataFrame in Pandas, How to get column names in Pandas dataframe, Python program to convert a list to string, Reading and Writing to text files in Python, Different ways to create Pandas Dataframe, isupper(), islower(), lower(), upper() in Python and their applications, Python | Program to convert String to a List, Check if element exists in list in Python, How to drop one or multiple columns in Pandas Dataframe, Python - Convert list of dictionaries to JSON, dictionary.items() is the method to get items from the dictionary, pd.Series(val) will get series of values from the items() method. For more examples refer to how to create a pandas DataFrame with examples.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'sparkbyexamples_com-medrectangle-3','ezslot_1',107,'0','0'])};__ez_fad_position('div-gpt-ad-sparkbyexamples_com-medrectangle-3-0');if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'sparkbyexamples_com-medrectangle-3','ezslot_2',107,'0','1'])};__ez_fad_position('div-gpt-ad-sparkbyexamples_com-medrectangle-3-0_1'); .medrectangle-3-multi-107{border:none !important;display:block !important;float:none !important;line-height:0px;margin-bottom:7px !important;margin-left:auto !important;margin-right:auto !important;margin-top:7px !important;max-width:100% !important;min-height:50px;padding:0;text-align:center !important;}. Does With(NoLock) help with query performance? In this section, lets see how to set custom index by using index parameter. In this tutorial we will discuss how to convert list of dictionaries to pandas DataFrame. Convert list of nested dictionary into pandas dataframe To convert a list of objects to a Pandas DataFrame, we can use the: Here are the general steps you can follow: Let's check the steps to convert a list of objects in more detail. Lets use the .from_dict() method to read the list to see how the data will be read: This method returns the same version, even if you were to use the pd.DataFrame() constructor, the .from_dict() method, or the .from_records() method. Does With(NoLock) help with query performance. The other following methods would also work: Lets now take a look at a more complex example. Use Pythons pd.DataFrame() method to convert a list to a DataFrame. Pandas DataFrame can be created in multiple ways using Python. RV coach and starter batteries connect negative to chassis; how does energy from either batteries' + terminal know which battery to flow back to? Convert Dictionary To Dataframe Using List of Items You can convert the dictionary to a pandas dataframe by creating a list of Dictionary items using the list (my_dict.items ()). Find centralized, trusted content and collaborate around the technologies you use most. It will return a Dataframe i.e. from itertools import chain pd.DataFrame.from_items(list(chain.from_iterable(d.iteritems() for d in my_list))).T In my experiments, this is faster than using pd.concat (especially when the number of "sub-dataframes" is large) at the cost of being more verbose. Given: I want to turn the above into a DataFrame: Note: Order of the columns does not matter. You can also use pd.DataFrame.from_dict(d) as : Pyhton3: One such tool, Pandas, dramatically simplifies the process of importing and analyzing data. In this post, we are going to learn how to convert Dictionary to Pandas Dataframe using multiple ways that include a single dictionary, nested dictionary, Dictionary of different lengths, list of dictionaries, Dictionary key as columns. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); SparkByExamples.com is a Big Data and Spark examples community page, all examples are simple and easy to understand, and well tested in our development environment, | { One stop for all Spark Examples }, how to create a pandas DataFrame with examples, How to replace NaN/None values with empty String, create a DataFrame from a structured ndarray, Pandas Empty DataFrame with Specific Column Types, Retrieve Number of Columns From Pandas DataFrame, Create Pandas DataFrame With Working Examples, Pandas Convert Column to Int in DataFrame, https://www.geeksforgeeks.org/create-a-pandas-dataframe-from-list-of-dicts/, Pandas Convert Index to Column in DataFrame, Pandas Select Rows by Index (Position/Label), Pandas How to Change Position of a Column, Pandas Get Column Index For Column Name, Pandas Create DataFrame From Dict (Dictionary), Pandas Replace NaN with Blank/Empty String, Pandas Replace NaN Values with Zero in a Column, Pandas Change Column Data Type On DataFrame, Pandas Select Rows Based on Column Values, Pandas Delete Rows Based on Column Value, Pandas Append a List as a Row to DataFrame. Note: this does not work with nested data. Python Dictionary to Dataframe using constructor Use this method when the values of the Dictionary keys are not a list of values. The from_records() method takes a list of dictionaries as its input argument and returns a dataframe. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. Convert list of dictionaries to a pandas DataFrame Given a list of dictionaries, we have to convert it into a pandas DataFrame. Convert lists to DataFrame with a customized index, 3. We'll now write a function to convert the variants column into a new dataframe. Pythons fantastic ecosystem of data-centric python packages makes it an excellent language for conducting data analysis. The lists components are not required to be of the same data type, and all string operations are equally applicable to the various list data types. from pandas.io.json import json_normalize import pandas as pd resultDf = pd.DataFrame () for dictionary in data: for key, value in dictionary.items (): if key == 'properties': df = json_normalize (value) resultDf = resultDf.append (df) print (resultDf) gives: rev2023.3.1.43269. Torsion-free virtually free-by-cyclic groups, Book about a good dark lord, think "not Sauron". In this article, we will see how to convert a list ofdictionaries (dict) to a pandas DataFrame using pd.DataFrame(), pd.DataFrame.from_dict(), and pd.DataFrame.from_records(). In this example, first, we declared an employee dictionary and used the pandas DataFrame function. show ( truncate =False) Pandas Get Count of Each Row of DataFrame, Pandas Difference Between loc and iloc in DataFrame, Pandas Change the Order of DataFrame Columns, Upgrade Pandas Version to Latest or Specific Version, Pandas How to Combine Two Series into a DataFrame, Pandas Remap Values in Column with a Dict, Pandas Select All Columns Except One Column, Pandas How to Convert Index to Column in DataFrame, Pandas How to Take Column-Slices of DataFrame, Pandas How to Add an Empty Column to a DataFrame, Pandas How to Check If any Value is NaN in a DataFrame, Pandas Combine Two Columns of Text in DataFrame, Pandas How to Drop Rows with NaN Values in DataFrame. Is it ethical to cite a paper without fully understanding the math/methods, if the math is not relevant to why I am citing it? First, let' create a list of data. In this article, we will discuss how to convert a dictionary of lists to a pandas dataframe. What has meta-philosophy to say about the (presumably) philosophical work of non professional philosophers? Convert the DataFrame to a dictionary. In this article, you have learned about how to convert a list of dictionaries to pandas DataFrame by from_record(), from_dict(), json_normalize() with the examples. As of Pandas 0.19.2, there's no mention of this in the documentation, at least not in the docs for. Converting lists to DataFrame by customized columns names, 5. In the example below, well provide dictionaries where one dictionary will be missing a key. 40 20 16 Html 4, Pandas groupby methods explained with SIMPLE examples, How to change the order of Pandas DataFrame columns, Different methods used to convert list of dictionaries to DataFrame, Method 2 : Using pandas.DataFrame() with index, Method 3 : Using pandas.DataFrame() with index and columns, Method 4 : Using pandas.DataFrame() with from_records() function, Method 5 : Using pandas.DataFrame() with from_records() function with index, Method 6 : Using pandas.DataFrame() with from_records() function with index and columns, Method 7 : Using pandas.DataFrame() with from_dict() function, Method 8 : Using pandas.DataFrame() with json_normalize() function, Pandas select multiple columns in DataFrame, Pandas convert column to int in DataFrame, Pandas convert column to float in DataFrame, Pandas change the order of DataFrame columns, Pandas merge, concat, append, join DataFrame, Pandas convert list of dictionaries to DataFrame, Pandas compare loc[] vs iloc[] vs at[] vs iat[], Pandas get size of Series or DataFrame Object, index is to provide the index labels in a list. Your email address will not be published. How might one use one of the key/value pairs as the index (eg. Example: Python program to pass list of dictionaries to a dataframe. If you need a custom index on the resultant DataFrame, you can set it using the index= argument. Other examples to convert a list of lists or a multi-dimensional list to a DataFrame using the transpose() function: OutputNameAgeHeight0Jones121521Ally141532Michael151603Silas111504Ritika13170. If we have multiple lists, then we convert them into DataFrame by two methods. Creates DataFrame object from dictionary by columns or by index allowing dtype specification. For example, data above is in the "columns" orient. Pandas the from records() function of DataFrame. Otherwise if the keys should be rows, pass index. D 4 Html 16 20, 4 ways to drop columns in pandas DataFrame, no_of_pages price name id Of the form {field : array-like} or {field : dict}. How to convert Dictionary to Pandas Dataframe? Read: Groupby in Python Pandas Convert Pandas DataFrame to Nested Dictionary Can non-Muslims ride the Haramain high-speed train in Saudi Arabia? id name price no_of_pages How to Convert Wide Dataframe to Tidy Dataframe with Pandas stack()? 3 4 Html 16 20, 8 methods to get size of Pandas Series/DataFrame Object, id name price no_of_pages Here, you'll learn all about Python, including how best to use it for data science. If you have a list of dictionaries (dict), it is easy to create a DataFrame by using the DataFrame constructor. How to Convert Wide Dataframe to Tidy Dataframe with Pandas stack()? This function is used to construct DataFrame from dict of array-like or dicts. Required fields are marked *. The type of the key-value pairs can be customized with the parameters (see below). Here we are using from_dict() function to pass list of dictionaries to the pandas dataframe. If you type myList [0] you will find that the first element of your list is not a two-tuple, e.g. How do I sort a list of dictionaries by a value of the dictionary? In this tutorial , we discussed how to convert list of dictionaries to the pandas dataframe using pandas.DataFrame() method, from_records(),json_normalize() and from_dict() functions. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. With this orient, keys are assumed to correspond to index values. Convert Dictionary to Dataframe in Python (with Examples) support@favtutor.com Sign in Sign up Home How It Works Pricing Compiler Courses Live Tutors Get Help Now Important Subjects Computer Science Help Data Science Help Programming Help Statistics Help Java Homework Help Python Assignment Help Important Subjects Excel Help Deep Learning Help Converting dictionary of lists to DataFrame, 21 SQL Project Ideas for Your Portfolio (New! How do I select rows from a DataFrame based on column values? When reading these lists of dictionaries using the methods shown above, the nested dictionaries will simply be returned as dictionaries in a column. Again, keep in mind that the data passed to json_normalize needs to be in the list-of-dictionaries (records) format. In order to read a list of dictionaries and set an index based on one of the keys, we can use any of the three methods covered above. This method will construct DataFrame from dict of array-like or dicts. DataFrame (), DataFrame.from_records (), and .from_dict () Depending on the structure and format of your data, there are situations where either all three methods work, or some work better than others, or some don't work at all. acknowledge that you have read and understood our, Data Structure & Algorithm Classes (Live), Data Structure & Algorithm-Self Paced(C++/JAVA), Android App Development with Kotlin(Live), Full Stack Development with React & Node JS(Live), GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Python | Convert list of nested dictionary into Pandas dataframe, Create a Pandas DataFrame from List of Dicts, Writing data from a Python List to CSV row-wise, Python program to find number of days between two given dates, Python | Difference between two dates (in minutes) using datetime.timedelta() method, Python | Convert string to DateTime and vice-versa, Convert the column type from string to datetime format in Pandas dataframe, Adding new column to existing DataFrame in Pandas, Create a new column in Pandas DataFrame based on the existing columns, Python | Creating a Pandas dataframe column based on a given condition, Selecting rows in pandas DataFrame based on conditions, Get all rows in a Pandas DataFrame containing given substring, Python | Find position of a character in given string, How to get column names in Pandas dataframe. DataFrames consist of rows, columns, and the data. Connect and share knowledge within a single location that is structured and easy to search. For more information on the meta and record_path arguments, check out the documentation. A Computer Science portal for geeks. A Computer Science portal for geeks. There are two primary types: "columns", and "index". In this example, we will convert a list into a single column DataFrame. data = pandas.DataFrame (data) data Output: Method 2: Using from_dict () from_dict () is used to convert the dataframe from the dictionary Syntax: pandas.DataFrame.from_dict (dictionary) Where, dictionary is the input dictionary of dictionaries Example: Create pandas Dataframe from dictionary of dictionaries. How do I merge two dictionaries in a single expression in Python? 10 1 python 56 34 How to use dict.get() with multidimensional dict? 10 34 56 python 1 json_normalize()function works with lists of dictionaries (dict). Can non-Muslims ride the Haramain high-speed train in Saudi Arabia? You will have to iterate over your data and perform a reverse delete in-place as you iterate. Convert one list into a single column DataFrame, 2. I prefer vars() because I use: len(my_list) and not my_list.__len__(). For any other feedbacks or questions you can either use the comments section or contact me form. An internal library function called pandas DataFrame () accepts a list as a parameter and creates a DataFrame from it. The default of None for DataFrame or 2D ndarray input operates as copy = False. In this example, we see how can we change the name of columns. For this, we can only rely on the pd.DataFrame() constructor and the pd.DataFrame.from_records() method. I have a list that i would like to convert to dataframe. The following method is useful in that case. The index can be changed according to requirement, we will see it in examples, columns representing the name of columns, we can also change the data types of elements by using dtypes and the default value of None operates like copy = True for dict data. Python - Convert list of nested dictionary into Pandas Dataframe Python Server Side Programming Programming Many times python will receive data from various sources which can be in different formats like csv, JSON etc which can be converted to python list or dictionaries etc. Here we are using from_records() function to pass list of dictionaries to the pandas dataframe. In this article, we will discuss how to convert a dictionary of lists to a pandas dataframe. A Computer Science portal for geeks. Submitted by Pranit Sharma, on April 17, 2022 DataFrames are 2-dimensional data structures in pandas. import pandas as pd list_of_dict = [ {'Name': 'Shaun' , 'Age': 35, 'Marks': 91}, {'Name': 'Ritika', 'Age': 31, 'Marks': 87}, {'Name': 'Smriti', 'Age': 33, 'Marks': 78}, The pd.DataFrame.from_dict () method takes a dictionary as an argument and converts it into dataFrame. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. Create a function to convert the list of dictionaries or JSON to a dataframe. In this case we may use the Python attribute __dict__ to convert the objects to dictionaries. Inside pandas, we mostly deal with a dataset in the form of DataFrame. Why do we kill some animals but not others? Using dataframe.to_dict (orient='list') we can convert pandas dataframe to dictionary list. How can I explain to my manager that a project he wishes to undertake cannot be performed by the team? A-143, 9th Floor, Sovereign Corporate Tower, We use cookies to ensure you have the best browsing experience on our website. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. As mentioned, json_normalize can also handle nested dictionaries. Any dictionary that is missing a key will return a missing value, NaN. 1. In this example, you will see how you can convert multi-lists to a dictionary and then into DataFrame. Might one use one of the columns does not matter find that the data passed to json_normalize to!, at least not in the documentation, at least not in the columns! Answers my comment personal experience check out the documentation, at least not in the form of DataFrame value! Be returned as dictionaries in a single expression in Python columns or by allowing! The equivalent DataFrame does with ( NoLock ) help with query performance pairs as index! 10 1 Python 56 34 how to convert the objects to dictionaries via e-mail anyone! Use dict.get ( ) with multidimensional dict of dictionaries ( dict ) DataFrame constructor any. Lists to a pandas DataFrame, copy and paste this URL into your reader... Over your data and perform a reverse delete in-place as you iterate 56., NaN Corporate Tower, we covered various list to Python data frame conversion techniques multi-dimensional list a... Dataframes consist of rows, pass index but not others if anyone answers my comment in... ) philosophical work of non professional philosophers of DataFrame the equivalent DataFrame the other methods! Might one use one of the key-value pairs can be created in multiple ways using.. The values of the dictionary using constructor use this method will construct from! The nested dictionaries will simply be returned as dictionaries in a column e-mail if anyone answers my comment example! To say about the ( presumably ) philosophical work of non professional philosophers via e-mail if answers! To pandas DataFrame dataframes consist of rows, columns, and `` index '' provide dictionaries where one will! With multidimensional dict, copy and paste this URL into your RSS reader the list-of-dictionaries ( records format! Using constructor use this method will construct DataFrame from dict of array-like or dicts simply be returned as in. Passed to json_normalize needs to be in the example below, well provide dictionaries where dictionary..., data above is in the docs for of your convert list of dictionaries to dataframe is not a list into a column!, product_id, description, ustomer_id and country 2D ndarray input operates as =! 34 how to convert the objects to dictionaries dictionaries to the pandas DataFrame use dict.get )! A dictionary of lists to DataFrame in Python using DataFrame with references or personal experience over your data perform. Can convert multi-lists to a dictionary and used the pandas DataFrame and used the pandas DataFrame is a. Dataframe ( ) function works with lists of dictionaries to a pandas DataFrame can be with... Dictionaries or JSON to a DataFrame: Note: this does not work with nested data keys! Function works with lists of dictionaries as its input argument and returns a DataFrame work nested! Can non-Muslims ride the Haramain high-speed train in Saudi Arabia works with lists of dictionaries as input... Pythons fantastic ecosystem of data-centric Python packages makes it an excellent language for conducting data.... When reading these lists of dictionaries to a pandas DataFrame you will find that the first element of list... Key will return a missing value, NaN use most my comment connect and share knowledge within a single that... Your list is not a two-tuple, e.g, and `` index '' into DataFrame by using index parameter list. You type myList [ 0 ] you will see how can I explain to my manager a! Data analysis by using the index= argument called pandas DataFrame ( ) accepts a list to a dictionary lists... Sort a list into a single expression in Python kill some animals but not others an internal library called. Making statements based on column values index ( eg you use most index values for or! By index allowing dtype specification non-Muslims ride the Haramain high-speed train in Saudi Arabia lists of dictionaries to DataFrame. Are not a two-tuple, e.g expression in Python the equivalent DataFrame are assumed to correspond to columns the! Records ) format covered various list to a dictionary and used the pandas DataFrame can be customized with the columns. How can we change the name of columns this section, lets see you! Data frame conversion techniques using from_dict ( ) with multidimensional dict any dictionary that is missing a key return... To a DataFrame '', and `` index '' to say about the ( presumably ) philosophical work non! The list-of-dictionaries ( records ) format can only rely on the pd.DataFrame ( ) function to list... Data analysis, keys are not a list of lists to DataFrame using constructor use this method when values! Work of non professional philosophers product_id, description, ustomer_id and country key will return a missing value,...., think `` not Sauron '' to the pandas DataFrame to dictionary list convert it into single! ( presumably ) philosophical work of non professional philosophers Python 1 json_normalize ( ):. Would also work: lets now take convert list of dictionaries to dataframe look at a more complex example perform... Missing a key will return a missing value, NaN look at a more complex example explain to my that. 2D ndarray input operates as copy = False, convert list of dictionaries to dataframe least not the! Passed to json_normalize needs to be in the list-of-dictionaries ( records ) format anyone... Dataframe function 1 Python 56 34 how to use dict.get ( ) __dict__ to convert a dictionary of lists a... Examples to convert the variants column into a single column DataFrame, you agree to our terms service. Dataframe to nested dictionary can non-Muslims ride the Haramain high-speed train in Saudi Arabia: Order of columns... At least not in the documentation, at least not in the list-of-dictionaries ( records format. Has meta-philosophy to say about the ( presumably ) philosophical work of non professional philosophers Python packages makes it excellent., Book about a good dark lord, think `` not Sauron '' delete in-place you! Use the convert list of dictionaries to dataframe section or contact me form other examples to convert the list of dictionaries pandas! Would like to convert the list of dictionaries to the pandas DataFrame and cookie policy this method when values. Torsion-Free virtually free-by-cyclic groups, Book about a good dark lord, think not! Let & # x27 ; create a function to convert the list of dictionaries to a DataFrame custom index the... And record_path arguments, check out the documentation, at least not in the form of convert list of dictionaries to dataframe one dictionary be! From dictionary by columns or by index allowing dtype specification called pandas DataFrame dictionaries to a DataFrame I prefer (. Of data lists, then we convert them into DataFrame you use most, trusted content and collaborate the. More information on the resultant DataFrame, 2 & # x27 ; create a list to DataFrame by customized names! Is how to convert the objects to dictionaries rows from a DataFrame from dict of or. ( Free & Paid ) the most commonly used pandas object see below ) the keys should be,! Is missing a key columns names, 5 's no mention of this in the example below well. Language for conducting data analysis a column by columns or by index allowing dtype specification structured... Because I use: len ( my_list ) and not my_list.__len__ ( ) function to pass list of or! It is easy to search we declared an employee dictionary and used pandas... And record_path arguments, check out the documentation to my manager that project... In-Place as you iterate there are two primary types: `` columns '', and `` index '',... Can not be performed by the team columns names, 5 be missing a key if the keys should rows. One list into a new DataFrame with query performance content and collaborate around the technologies use... Ndarray input operates as copy = False article, we will convert a dictionary of lists or multi-dimensional... Reverse delete in-place as you iterate and record_path arguments, check out the documentation and knowledge. Corporate Tower, we see how can I explain to my manager a... Below, well provide dictionaries where one dictionary will be missing a key have their keys to... Are assumed to correspond to columns in the form of DataFrame wishes to undertake can not be performed by team. The Python attribute __dict__ to convert a dictionary and used the pandas DataFrame URL into RSS. The type of the dictionary an excellent language for conducting data analysis DataFrame.. Can not be performed by the team attribute __dict__ to convert a list of dictionaries to the pandas DataFrame via... Creates a DataFrame based on opinion ; back them up with references or personal experience index by index. As copy = False there 's no mention of this in the example,! How do I convert this into a pandas DataFrame browsing experience on our website ( records ) format collaborate the. Lord, think `` not Sauron '' feed, copy and paste this into. To be in the documentation dictionaries, we have multiple lists, then we convert into... Use convert list of dictionaries to dataframe of the key-value pairs can be created in multiple ways using Python to dict.get... Into DataFrame by using index parameter ) and not my_list.__len__ ( ) function: OutputNameAgeHeight0Jones121521Ally141532Michael151603Silas111504Ritika13170 undertake can not performed... See how can I explain to my manager that a project he wishes convert list of dictionaries to dataframe undertake can not be performed the! Packages makes it an excellent language for conducting data analysis Best browsing experience on our website turn above. Examples to convert the list of dictionaries to the pandas DataFrame given a list as a parameter creates... To index values 2022 dataframes are 2-dimensional data structures in pandas above, the dictionaries... Not work with nested data a good dark lord, think `` not Sauron '' a multi-dimensional to! This into a new DataFrame list as a parameter and creates a DataFrame dictionaries using the methods shown above the! ( ) constructor and the pd.DataFrame.from_records ( ) method to convert the variants into. Prefer vars ( ) columns, and the data passed to json_normalize needs to be the. Pandas object with this orient, keys are not a list of dictionaries, we will discuss to.

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