TypeError: sequence item 0: expected str instance, int found
背景：想要將一個純數字的列表轉換爲一個數字字符串。python
''.join(nums)
結果報錯：ide
TypeError: sequence item 0: expected str instance, int found
纔想起來，想要拼接的話得是字符串類型，轉換一下。spa
''.join(map(str, nums))
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