convertir dataframe a json en el ejemplo de código de Python

Ejemplo 1: Python convierte json a pandas dataframe

# Basic syntax:
dataframe = pd.DataFrame.from_dict(json_data, orient="index")

# Example usage:
import json
import pandas as pd

# Make json-formatted string:
json_string = '{ "name":"John", "age":30, "car":"None" }'
your_json = json.loads(json_string)
print(your_json)
--> {'name': 'John', 'age': 30, 'car': 'None'}

# Convert to pandas dataframe:
dataframe = pd.DataFrame.from_dict(your_json, orient="index")
print(dataframe)
         0
name  John
age     30
car   None

# Note, orient="index" sets the keys as rownames. orient="columns" is
#	the default and is supposed to set the keys as column names, but I
#	couldn't seem to get it to work with this example

Ejemplo 2: pandas a json

>>> df.to_json(orient='records')
'[{"col 1":"a","col 2":"b"},{"col 1":"c","col 2":"d"}]'

Ejemplo 3: convertir dataframe a json

dictionary_varibale = [ 
    dict([
        (colname, row[i]) 
        for i,colname in enumerate(df.columns)
    ])
    for row in df.values
]
print(json.dumps(dictionary_varibale))

Ejemplo 4: marco de datos de json a pandas

json_to_pandas

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