set select group of columns to numeric pandas

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Theo
13 Jun 2017
1import pandas as pd
2
3df = pd.DataFrame({'id':['a1', 'a2', 'a3', 'a4'],
4  				   'A':['0', '1', '2', '3'],
5                   'B':['1', '1', '1', '1'],
6                   'C':['0', '1', '1', '0']})
7
8df[['A', 'B', 'C']] = df[['A', 'B', 'C']].apply(pd.to_numeric, axis = 1)
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