在Python中，如何将一個字元串數組轉換成整型數組

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]