回答編集履歴
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修正
answer
CHANGED
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@@ -2,7 +2,7 @@
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```Python
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lst = ['29X', 17, 'FREE', '59X', 65]
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lst = [i for i in lst if isinstance(i, str)] # 文字列のみ
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-
cnt = len(lst)
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cnt = len(lst) # 個数
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print(cnt)
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# 3
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```Xを含む文字列とFREEの個数は、
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@@ -10,7 +10,7 @@
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lst = ['29X', 17, 'FREE', '59X', 65]
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lst = [i for i in lst if isinstance(i, str)] # 文字列のみ
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lst = [i for i in lst if i == 'FREE' or 'X' in i] # FREE or X
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cnt = len(lst)
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cnt = len(lst) # 個数
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print(cnt)
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# 3
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```
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