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 ='values')
json_object = json.loads(js)
print(json.dumps(json_object, indent = 2))
'''
run:
col1 col2
0 1 2
1 3 4
2 5 6
[
[
"1",
"2"
],
[
"3",
"4"
],
[
"5",
"6"
]
]
'''