#下面这段为啥总是报错呢，如果没有finally就没有执行结果 def str2num(s): return int(s)
ss = '99 + 88 + 7.6' try: ns = map(str2num,ss) except Exception as e: print(e) ns = [11,22,33] finally: print(reduce(lambda x, y:x + y,ns))
上面打错了s = ['99','88','7.6']，不知道为啥总是报错
因为int('7.6')出错
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Z-Maker乐悠悠
#下面这段为啥总是报错呢，如果没有finally就没有执行结果 def str2num(s): return int(s)
ss = '99 + 88 + 7.6' try: ns = map(str2num,ss) except Exception as e: print(e) ns = [11,22,33] finally: print(reduce(lambda x, y:x + y,ns))