df lambda code example

Example 1: pandas apply function to column

df['a'] = df['a'].apply(lambda x: x + 1)

Example 2: use apply with lambda pandas

df.apply(lambda x: func(x['col1'],x['col2']),axis=1)

Example 3: lambda in pandas

Series.apply(lambda x: x**2) 
#x represent the cell value and x**2 is your function