Description
Given a valid (IPv4) IP address, return a defanged version of that IP address.
A defanged IP address replaces every period "." with "[.]".
Example 1:
Input: address = "1.1.1.1" Output: "1[.]1[.]1[.]1"
Example 2:
Input: address = "255.100.50.0" Output: "255[.]100[.]50[.]0"
Constraints:
- The given addressis a valid IPv4 address.
Solution
Python3
class Solution:
    def defangIPaddr(self, address: str) -> str:
        address = address.replace('.', '[.]')
        
        return addressPython
class Solution(object):
    def defangIPaddr(self, address):
        """
        :type address: str
        :rtype: str
        """
        return address.replace('.',"[.]")