回答編集履歴
1
d
answer
CHANGED
|
@@ -3,4 +3,17 @@
|
|
|
3
3
|
```python
|
|
4
4
|
lst = [i for i in range(30) if i % 3 == 0] # 3の倍数
|
|
5
5
|
print(lst) # [0, 3, 6, 9, 12, 15, 18, 21, 24, 27]
|
|
6
|
+
```
|
|
7
|
+
|
|
8
|
+
等差数列であれば以下の range(start, stop, step) の step に等差を指定して作る方法もあります。
|
|
9
|
+
|
|
10
|
+
```python
|
|
11
|
+
lst = [i for i in range(0, 100, 3)]
|
|
12
|
+
print(lst)
|
|
13
|
+
|
|
14
|
+
import numpy as np
|
|
15
|
+
lst = np.arange(0, 100, 3) # 3の倍数のみ
|
|
16
|
+
print(lst)
|
|
17
|
+
# [ 0 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60 63 66 69
|
|
18
|
+
# 72 75 78 81 84 87 90 93 96 99]
|
|
6
19
|
```
|