[LeetCode]#1108. Defanging an IP Address

Environment: Python 3.7

Key technique: replace

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"

Analysis:

Use replace function as below.

Solution:

class Solution:
    def defangIPaddr(self, address):
        ans=address.replace(".","[.]")
        return ans

Submitted result: