回答編集履歴
4
編集
test
CHANGED
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@@ -54,23 +54,9 @@
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---
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**リストの要素がすべてintにキャスト出来るか確かめる
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**リストの要素がすべてintにキャスト出来るか確かめる方法**
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```Python
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def is_num_list(arg_list):
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try:
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list(map(int, arg_list))
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return True
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except:
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return False
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def main():
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@@ -80,21 +66,21 @@
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try:
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print(list(map(int, my_str1)))
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e
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except:
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print('cannot cast')
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try:
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print(list(map(int, my_str2)))
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e
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except:
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print('cannot cast')
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@@ -120,6 +106,54 @@
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---
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**int型のリストから、特定の範囲の値だけ抜き出す関数**
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```Python
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def make_func_in_range(arg_range):
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def ret_func(num):
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return arg_range[0] <= num <= arg_range[1]
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return ret_func
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def filter_in_range(arg_list, arg_range: tuple):
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in_range = make_func_in_range(arg_range)
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return filter(in_range, arg_list)
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def main():
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int_list = [421, 657, 1000]
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print(list(filter_in_range(int_list, (500, 800))))
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if __name__ == '__main__':
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main()
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"""出力
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[657]
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"""
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```
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---
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せっかく回答をいただいているんですから、まずそちらにお礼言いましょうよ。
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[https://teratail.com/questions/92558](https://teratail.com/questions/92558)
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3
追記
test
CHANGED
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@@ -70,6 +70,50 @@
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70
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return False
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def main():
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my_str1 = ['100', '.', 'abc']
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my_str2 = ['421', '657', '1000']
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if is_num_list(my_str1):
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print(list(map(int, my_str1)))
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86
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87
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else:
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88
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print('cannot cast')
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90
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91
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92
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if is_num_list(my_str2):
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print(list(map(int, my_str2)))
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96
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97
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else:
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98
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print('cannot cast')
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100
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101
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102
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103
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if __name__ == '__main__':
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104
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main()
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106
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107
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"""実行結果
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110
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111
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cannot cast
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112
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113
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[421, 657, 1000]
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114
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115
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"""
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116
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73
117
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```
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74
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75
119
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2
追記
test
CHANGED
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@@ -1,3 +1,5 @@
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1
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+
**リストを順にintにキャストし、不可能な場合Falseを返す関数**
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2
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1
3
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```Python
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2
4
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3
5
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def is_int(arg):
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1
追記
test
CHANGED
|
@@ -52,6 +52,28 @@
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52
52
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53
53
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---
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54
54
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|
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55
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+
**リストの要素がすべてintにキャスト出来るか確かめる関数**
|
|
56
|
+
|
|
57
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+
```Python
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58
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+
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59
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+
def is_num_list(arg_list):
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60
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+
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61
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+
try:
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62
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+
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63
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+
list(map(int, arg_list))
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64
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+
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65
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+
return True
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66
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+
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67
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+
except:
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68
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69
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return False
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70
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+
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71
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+
```
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72
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+
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73
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+
|
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74
|
+
|
|
75
|
+
---
|
|
76
|
+
|
|
55
77
|
せっかく回答をいただいているんですから、まずそちらにお礼言いましょうよ。
|
|
56
78
|
|
|
57
79
|
[https://teratail.com/questions/92558](https://teratail.com/questions/92558)
|