python字符串与数字类型转换

str与intpython i = 10 s = str(i) #s = '10' s = '1' i = int(s) #i = 1 str与float算法 st = '.4' t = float(st) # t = 0.4 st = '0.4' t = float(st) # t = 0.4 t = 0.4 st = str(t) # st = '0.4' 注意把字符串转换为数字类型时

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