Answers for "how to change a whole column to lower case in python"

pandas convert all column names to lowercase

# rename Pandas columns to lower case
df.columns= df.columns.str.lower()
df.columns
Index(['column1', 'column2', 'column3'], dtype='object')

Posted by: Guest on November-13-2020

python pandas change column values to all caps

# Creating 'columnB' that has Uppercase versions of all of columnA's values
df['columnB'] = df['columnA'].str.upper()

Posted by: Guest on July-22-2021

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