dataframe to dict one column as key code example

Example 1: dataframe to dictionary with one column as key

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

Example 2: python how to create dict from dataframe based on 2 columns

In [9]: pd.Series(df.Letter.values,index=df.Position).to_dict()
Out[9]: {1: 'a', 2: 'b', 3: 'c', 4: 'd', 5: 'e'}