python how to rename columns in pandas dataframe code example
Example 1: python how to rename columns in pandas dataframe
pandas_dataframe.columns = ['list', 'of', 'column', 'names']
pandas_dataframe.rename(columns={'column_name_to_change':'new_name'})
pandas_dataframe.index = ['list', 'of', 'row', 'names']
pandas_dataframe.rename(index={'row_name_to_change':'new_name'})
Example 2: renaming headers pandasd
df = df.rename(columns={"old_col1": "new_col1", "old_col2": "new_col2"})
Example 3: rename column pandas
df_new = df.rename(columns={'A': 'a'}, index={'ONE': 'one'})
print(df_new)
print(df)