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I 새로운 열 만들기
◼︎ 52. 조건에 맞는 새 열 만들기
df['sum'] = df['a'] + df['b'] + df['c']
실행 결과
|
|
|
a |
b |
c |
sum |
|
n |
v |
|
|
|
|
|
d |
1 |
4 |
8 |
12 |
24 |
|
2 |
5 |
9 |
13 |
27 |
|
|
e |
1 |
6 |
10 |
14 |
30 |
|
2 |
7 |
11 |
15 |
33 |