Swap Two Numbers

Contributed by

Shrey Pansuria

Easy

Avg time to solve 10 mins

470 upvotes

Problem Statement

Take two numbers as input and swap them and print the swapped values.

Detailed explanation ( Input/output format, Notes, Constraints, Images )

Input Format:

The first line of input contains a single integer 't', representing the total number of test cases.

The second line of input contains two integers 'a' and 'b', representing the second number.

Output Format:

The first line of output prints the swapped value of 'a' and 'b'.

Note:

You do not need to print anything, it has already been taken care of. Just implement the given function.

Constraints:

1 <= 'T' <= 10^2
-10^5 <= 'a', 'b' <= 10 ^ 5

Time Limit: 1 sec

Sample Input 1:

2
1 2 
3 4

Sample Output 1:

2 1
4 3

Explanation For Sample Input 1:

The output of the above test case is 2 1 for the first test case.
The output of the 2nd test case is 4 3.

Sample Input 2:

2
5 6
7 8

Sample Output 2:

6 5
8 7

Explanation For Sample Input 2:

The output of the above test case is  6 5 for the first test case.
The output of the 2nd test case is 8 7.

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