izmir = pd.read_excel(filepath)
izmir_lim = izmir[['Gender', 'Age', 'MC_OLD_M>=60', 'MC_OLD_F>=60',
    'MC_OLD_M>18', 'MC_OLD_F>18', 'MC_OLD_18>M>5', 'MC_OLD_18>F>5',
    'MC_OLD_M_Child<5', 'MC_OLD_F_Child<5', 'MC_OLD_M>0<=1',
    'MC_OLD_F>0<=1', 'Date to Delivery', 'Date to insert', 'Date of Entery']]
Confusion re: pandas copy of slice of dataframe warning