how to pass a dic into a value of pandas code example

Example 1: pandas dataframe from dict

>>> data = {'row_1': [3, 2, 1, 0], 'row_2': ['a', 'b', 'c', 'd']}
>>> pd.DataFrame.from_dict(data, orient='index')
       0  1  2  3
row_1  3  2  1  0
row_2  a  b  c  d

Example 2: dataframe from dict

pd.DataFrame.from_dict(data)