题解 | #整数与IP地址间的转换#
整数与IP地址间的转换
http://www.nowcoder.com/practice/66ca0e28f90c42a196afd78cc9c496ea
str_list = input().split('.')
ip = input()
def transfer(num,count=8):
str1 = bin(int(num))[2:]
while len(str1)<count:
str1 = '0' + str1
return str1
num = ''
for i in str_list:
num += transfer(i)
print(int(num,2))
ip = transfer(ip,32)
ip1 = ip[:8]
ip2 = ip[8:16]
ip3 = ip[16:24]
ip4 = ip[24:]
print('{0}.{1}.{2}.{3}'.format(int(ip1,2),int(ip2,2),int(ip3,2),int(ip4,2)))
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