回答編集履歴
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追記
test
CHANGED
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@@ -31,3 +31,47 @@
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31
31
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None
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32
32
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```
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34
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+
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35
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36
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37
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また、removeメソッドは最初の要素しか取り除いてくれません。
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38
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39
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```Python
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40
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41
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>>> lst = [*range(10), *range(10)]
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>>> lst
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44
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45
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[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
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46
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47
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>>>
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48
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49
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>>> lst.remove(0)
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50
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51
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>>> lst
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52
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[1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
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54
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55
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```
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56
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58
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59
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代わりにfilterを使ってやると良いでしょう。
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60
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```Python
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62
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63
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>>> lst = [*range(10), *range(10)]
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64
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65
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>>> lst
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66
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[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
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68
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>>>
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70
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>>> lst = list(filter(lambda d: d not in (0, ), lst))
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>>> lst
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74
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[1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9]
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76
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```
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