Rename Column

import pandas as pd
data = ['Database team','ML team' ,'Flask team']  
df = pd.DataFrame(data, columns = ['Team'])
df
Team
0 Database team
1 ML team
2 Flask team
df.columns=['Intern Team']
df
Intern Team
0 Database team
1 ML team
2 Flask team
df.rename(columns={'Intern Team':'Team'},inplace=True)
df
Team
0 Database team
1 ML team
2 Flask team