Answered by : blueeyed-buzzard-1s0wyvfs1exe

>>> df['x'].str.lower()

Source : https://stackoverflow.com/questions/22245171/how-to-lowercase-a-pandas-dataframe-string-column-if-it-has-missing-values | Last Update : Wed, 01 Dec 21

Answered by : troubled-thrush-pe4f6wwe6na5

# Make the Column Names into Lower-Case:
# To make the Column Names All in Lower-Case:
dete_survey_updated.rename(columns = str.lower, inplace = True)

Source : | Last Update : Mon, 19 Apr 21