how to change same column name df code example
Example 1: change specific column name pandas
df_new = df.rename(columns={'A': 'a'}) #change a from A
Example 2: dataframe names pandas
print(df.rename(columns={'A': 'a', 'C': 'c'}))
df_new = df.rename(columns={'A': 'a'}) #change a from A
print(df.rename(columns={'A': 'a', 'C': 'c'}))