convert dictionary to pandas column code example

Example 1: convert a dictionary into dataframe python

import pandas as pd
data = {'col_1': [3, 2, 1, 0], 'col_2': ['a', 'b', 'c', 'd']}
pd.DataFrame.from_dict(data, orient='index').T

Example 2: columns to dictionary pandas

pd.Series(df.A.values,index=df.B).to_dict()