在Python中，如何将一个字符串数组转换成整型数组

py1:

>>> arr = ['22','44','66','88']

>>> arr = map(int,arr)

>>> print(arr)

[22, 44, 66, 88]
           

py2:

>>> arr = ['22','44','66','88']

>>> arr = list(map(int,arr))

>>> print(arr)

[22, 44, 66, 88]