Replace strings deeply with Python3

プライベートにしたいものは __ 先頭にアンダーバー2個とりあえずつけとけ
list を for すると値が入る index じゃない
dict を for するときは .keys() する
isinstance でオブジェクトの種類判定

    # s の値を再帰的に置換する例
    def __deepReplace(self, s, before, after):
        if isinstance(s, list):
            # list [1,2,3]
            index = 0
            for value in s:
                s[index] = self.__deepReplace(value, before, after)
                index += 1
            return s
        elif isinstance(s, dict):
            # dict {"a":1, "b":2}
            keys = s.keys()
            for key in keys:
                s[key] = self.__deepReplace(s[key], before, after)
            return s
        elif isinstance(s, str):
            return s.replace(before, after)
        else:
            return s

# s の値を再帰的に置換する例

def __deepReplace(self, s, before, after):

if isinstance(s, list):

# list [1,2,3]

index = 0

for value in s:

s[index] = self.__deepReplace(value, before, after)

index += 1

return s

elif isinstance(s, dict):

# dict {"a":1, "b":2}

keys = s.keys()

for key in keys:

s[key] = self.__deepReplace(s[key], before, after)

return s

elif isinstance(s, str):

return s.replace(before, after)

else:

return s

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