>>> import pandas as pd
>>> df = pd.DataFrame({'Name':['AA','BB','CC','DD','EE','FF','GG','HH'], 'Age':[30,40,35,32,25,26,40,50], 'Salary':[1100,900,1000,4400,2550,6600,2177,1888]})
>>> df
Name Age Salary
0 AA 30 1100
1 BB 40 900
2 CC 35 1000
3 DD 32 4400
4 EE 25 2550
5 FF 26 6600
6 GG 40 2177
7 HH 50 1888
>>> df.columns
Index(['Name', 'Age', 'Salary'], dtype='object')