how to rename dataframe column name in python code example
Example 1: rename columns pandas
df.rename(columns={'oldName1': 'newName1',
'oldName2': 'newName2'},
inplace=True, errors='raise')
# Make sure you set inplace to True if you want the change
# to be applied to the dataframe
Example 2: pandas rename column
df.rename(columns={"old_col1": "new_col1", "old_col2": "new_col2"}, inplace=True)
Example 3: how to change column name in pandas
print(df.rename(columns={'A': 'a', 'C': 'c'}))
# a B c
# ONE 11 12 13
# TWO 21 22 23
# THREE 31 32 33
Example 4: rename column pandas
>>> df.rename(str.lower, axis='columns')
a b
0 1 4
1 2 5
2 3 6