1108. Defanging an IP Address

https://leetcode.com/problems/defanging-an-ip-address

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 address is a valid IPv4 address.

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