在Python中，如何将一个字符串数组转换成整型数组

py1:python >>> arr = ['22','44','66','88'] >>> arr = map(int,arr) >>> print(arr) [22, 44, 66, 88] py2:web >>> arr = ['22','44','66','88'] >>> arr = list(map(int,arr)) >>> print(arr) [22, 44, 66,

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