Sample task and solutions error exception - incorrect regex from HackerRank Task

On this chance, I wanna share sample task and solutions error exception - incorrect regex from HackerRank Task. 

Following explanation and scripts solution :

 You are given a string .

Your task is to find out whether  is a valid regex or not.

Input Format

The first line contains integer , the number of test cases.
The next  lines contains the string .

Constraints

Output Format

Print "True" or "False" for each test case without quotes.

Sample Input

2
.*\+
.*+

Sample Output

True
False

Explanation

.*\+ : Valid regex.
.*+: Has the error multiple repeat. Hence, it is invalid.

Source Code of my solution :

import re

for _ in range(int(input())):

    try:

        re.compile(input())

        print(True)

    except re.error:

        print(False)

Source : HackerRank