回答編集履歴
2
追記
answer
CHANGED
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@@ -26,4 +26,33 @@
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26
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1
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2
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>>>
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29
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```
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31
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```Python
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32
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>>> import random
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33
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>>>
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34
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>>> foods = [{'country': 'chinese', 'type': 'noodle'},
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35
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... {'country': 'japanese', 'type': 'sushi'},
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36
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... {'country': 'japanese', 'type': 'noodle'},
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37
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... {'country': 'american', 'type': 'hamburger'}]
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>>>
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>>> for e in range(1, 3), foods:
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40
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... print(f'e is {e}')
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41
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... a, b = e
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... print(f'a is {a}')
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... print(f'b is {b}')
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... b[0]
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45
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...
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e is range(1, 3)
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47
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a is 1
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48
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b is 2
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49
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Traceback (most recent call last):
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50
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File "<stdin>", line 6, in <module>
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51
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TypeError: 'int' object is not subscriptable
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52
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>>>
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>>> 2[0]
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Traceback (most recent call last):
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55
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File "<stdin>", line 1, in <module>
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56
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TypeError: 'int' object is not subscriptable
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57
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>>>
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29
58
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```
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1
追記
answer
CHANGED
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@@ -8,4 +8,22 @@
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8
8
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```Python
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9
9
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for i, food_information in enumerate(random.sample(foods, 2), start=1):
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10
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...
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11
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```
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12
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13
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なぜエラーが出たか？
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14
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---
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15
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A. 単に並べて書くと、タプルとして扱われるから。
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16
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```Python
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17
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>>> for e in 1, 2:
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18
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... print(e)
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19
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...
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20
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1
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21
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2
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22
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>>> tpl = (1, 2)
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23
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>>> for e in tpl:
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24
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... print(e)
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25
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...
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26
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1
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27
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2
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28
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>>>
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11
29
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```
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