回答編集履歴
2
実行例変更
answer
CHANGED
|
@@ -5,12 +5,18 @@
|
|
|
5
5
|
class Sample(list):
|
|
6
6
|
def __eq__(self, value):
|
|
7
7
|
return [item == value for item in self]
|
|
8
|
+
def __setitem__(self, where, value):
|
|
9
|
+
for i, replace in enumerate(where):
|
|
10
|
+
replace and super().__setitem__(i, value)
|
|
8
11
|
|
|
9
12
|
train = Sample(['male', 'female', 'female', 'male', 'female'])
|
|
10
13
|
print(train == 'male')
|
|
14
|
+
train[train == 'male'] = 0
|
|
15
|
+
print(train)
|
|
11
16
|
```
|
|
12
17
|
|
|
13
18
|
実行結果:
|
|
14
19
|
```python
|
|
15
20
|
[True, False, False, True, False]
|
|
21
|
+
[0, 'female', 'female', 0, 'female']
|
|
16
22
|
```
|
1
実装例追記
answer
CHANGED
|
@@ -1,1 +1,16 @@
|
|
|
1
|
-
Pandas や numpy 特有ですけど、Pythonの機能で作り出すことができますよ。
|
|
1
|
+
Pandas や numpy 特有ですけど、Pythonの機能で作り出すことができますよ。
|
|
2
|
+
|
|
3
|
+
実装例
|
|
4
|
+
```python
|
|
5
|
+
class Sample(list):
|
|
6
|
+
def __eq__(self, value):
|
|
7
|
+
return [item == value for item in self]
|
|
8
|
+
|
|
9
|
+
train = Sample(['male', 'female', 'female', 'male', 'female'])
|
|
10
|
+
print(train == 'male')
|
|
11
|
+
```
|
|
12
|
+
|
|
13
|
+
実行結果:
|
|
14
|
+
```python
|
|
15
|
+
[True, False, False, True, False]
|
|
16
|
+
```
|