How to include input as part of variable name

[deanhystad]

periods = {10:None, 50:None, 100:None}

for period in periods:
    new_df = df.copy()
    new_df[f'{period}_MA'] = df_name['Adj Close'].rolling(window=period).mean() 
    periods[period] = new_df
    print(f'First five lines of period {period} are:')
    print(new_df.head(), '\n')