import pandas as pd
df = pd.DataFrame(
[[91, 80, 94],
[98, 95, 96],
[87, 81, 87],
[99, 100, 98],
[75, 85, 90]],
columns=['algebra', 'python', 'java'])
cl = df.python
print(cl)
print('\n',type(cl),sep='')
'''
run:
0 80
1 95
2 81
3 100
4 85
Name: python, dtype: int64
<class 'pandas.core.series.Series'>
'''