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  1. import pandas as pd
  2. def times(x):
  3.     return 2*x
  4. df=pd.DataFrame({'c1':[1,2,3,4],'c2':[11,22,33,11],'c3':['a','b','c','d']})
  5. print(df['c1'].apply(times))
  6. print(df)
Success #stdin #stdout 0.46s 60844KB
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Standard input is empty
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0    2
1    4
2    6
3    8
Name: c1, dtype: int64
   c1  c2 c3
0   1  11  a
1   2  22  b
2   3  33  c
3   4  11  d
https://ideone.com/Anwoft
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
public

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