Question

How to convert pandas DataFrame to JSON formating by columns in Python

Answer 1

import numpy as np 
import pandas as pd 
import json
   
array = np.array([['1', '2'], ['3', '4'], ['5', '6']]) 
   
dataFrame = pd.DataFrame(array, columns = ['col1', 'col2']) 
print(dataFrame, '\n\n') 
 
js = dataFrame.to_json(orient ='columns') 
json_object = json.loads(js) 
print(json.dumps(json_object, indent = 2)) 


'''
run:
    
  col1 col2
0    1    2
1    3    4
2    5    6 


{
  "col1": {
    "0": "1",
    "1": "3",
    "2": "5"
  },
  "col2": {
    "0": "2",
    "1": "4",
    "2": "6"
  }
}
              
'''

 

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