pandas modify column names code example

Example 1: rename column name pandas dataframe

df.rename(columns={"old_col1": "new_col1", "old_col2": "new_col2"})

Example 2: python: change column name

df = df.rename(columns = {'myvar':'myvar_new'})

Example 3: df change column names

df.rename(columns={"A": "a", "B": "b", "C": "c"},
errors="raise", inplace=True)

Example 4: rename pandas columns with list of new names

df.columns = list_of_names