题解 | #整数与IP地址间的转换#
整数与IP地址间的转换
https://www.nowcoder.com/practice/66ca0e28f90c42a196afd78cc9c496ea
import re
a=input()
b=input()
i1=a.split(".")
x=[]
for i in i1:
i=bin(int(i))
i=str(i)[2:]
x.append(i.zfill(8))
string="".join(x)
ipv4=int(string,2)
print(ipv4)
b=int(b.strip())
string1=bin(b)[2:].zfill(32)
string2=re.findall(r'.{8}', string1)
string3=''
for i in string2:
i=int(i,2)
string3=string3+"."+str(i)
string3=string3[1:]
print(string3)
