Doubling of a character
Execution time limit is 1 second
Runtime memory usage limit is 64 megabytes
Given a string composed of English letters and spaces, your task is to double every occurrence of the letter a within it.
Input
A single string made up of English letters and spaces.
Output
The modified string with all a characters doubled.
Examples
Input #1
Answer #1
Submissions 3K
Acceptance rate 66%