python df get sum column where code example
Example: python column = sum of list of columns
list_of_my_columns = ['Col A', 'Col E', 'Col Z']
df['Sum'] = df[list_of_my_columns].sum(axis=1)
list_of_my_columns = ['Col A', 'Col E', 'Col Z']
df['Sum'] = df[list_of_my_columns].sum(axis=1)