rename a columns pandas code example
Example 1: rename column name pandas dataframe
df.rename(columns={"old_col1": "new_col1", "old_col2": "new_col2"})
Example 2: change column names pandas
df.columns = ['A','B']
df.rename(columns={"old_col1": "new_col1", "old_col2": "new_col2"})
df.columns = ['A','B']