dataframein python

1d = {'col1': [1, 2], 'col2': [3, 4]}
2df = pd.DataFrame(data=d)
3df
4

1import numpy as np
2import pandas as pd
3vect1=np.zeros(10)
4vect2=np.ones(10)
5df=pd.DataFrame({'col1':vect1,'col2':vect2})

1import pandas as pd
2
3data = {'First Column Name':  ['First value', 'Second value',...],
4        'Second Column Name': ['First value', 'Second value',...],
5         ....
6        }
7
8df = pd.DataFrame (data, columns = ['First Column Name','Second Column Name',...])
9