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Time Conversion

Given a time in $12$-hour AM/PM format, convert it to military (24-hour) time.

Note:

• 12:00:00AM on a 12-hour clock is 00:00:00 on a 24-hour clock.
• 12:00:00PM on a 12-hour clock is 12:00:00 on a 24-hour clock.

Example

• $s = ‘12:01:00PM’$
  • Return ‘12:01:00’.
• $s = ‘12:01:00AM’$
  • Return ‘00:01:00’.

Function Description

Complete the timeConversion function in the editor below. It should return a new string representing the input time in 24 hour format.

timeConversion has the following parameter(s):

• string s: a time in $12$ hour format

Returns

• string: the time in $24$ hour format

Input Format

A single string $s$ that represents a time in $12$-hour clock format (i.e.: $hh:mm:ssAM$ or $hh:mm:ssPM$).

Constraints

• All input times are valid

Sample Input

07:05:45PM

Sample Output

19:05:45

hackerrank.com/challenges/one-month-preparation-kit-time-conversion/