replace string in pandas dataframe

Question

I have a dataframe with multiple columns. I want to look at one column and if any of the strings in the column contain @, I want to replace them with another string. How wou

Answer 1

Assuming you called your dataframe df, you can do:

pd.DataFrame(map(lambda col: map(lambda x: 'anotherString' if '@' in x else x, df[col]), df.columns)).transpose()