How to export pandas dataframe to json file in python

to export a pandas dataframe to a json file in python, you can use the `to_json()` method provided by the pandas library. this method allows you to convert the dataframe to a json string or write it directly to a json file.

here's a step-by-step tutorial on how to export a pandas dataframe to a json file:

### step 1: install pandas library
if you haven't already installed the pandas library, you can do so by running the following command:

### step 2: import necessary libraries
before exporting the dataframe to a json file, you need to import the pandas library in your python script:

### step 3: create a sample dataframe
for demonstration purposes, let's create a sample pandas dataframe:

### step 4: export dataframe to json file
use the `to_json()` method to export the dataframe to a json file. specify the file path where you want to save the json file:

in this example, the `orient='records'` parameter specifies the json format in which the data will be saved. the 'records' format stores each row of the dataframe as a separate json object.

### complete code example:

that's it! you have successfully exported a pandas dataframe to a json file in python.

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