ip = input() ip = ip.split('.') if len(ip) == 4: for i in range(4): if ip[i].isdigit() == False or eval(ip[i]) > 255 or eval(ip[i]) < 0: print('No') break else: if i == 3: print('Yes') else: print('No')
判断IP地址合法性
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转载自www.cnblogs.com/xxt77/p/12701658.html
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