Convert whole dataframe from lower case to upper case with Pandas

Question

I have a dataframe like the one displayed below:

# Create an example dataframe about a fictional army
raw_data = {\'regiment\': [\'Nighthawks\', \'Nighthawk         


        

Answer 1

try this

df2 = df2.apply(lambda x: x.str.upper() if x.dtype == "object" else x)