pandas df to dict a one column df code example

Example 1: dataframe to dictionary with one column as key

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

Example 2: dataframe to dictionary

>>> df.to_dict('records')
[{'col1': 1, 'col2': 0.5}, {'col1': 2, 'col2': 0.75}]