Write a function that takes a string as input and checks whether it can be a valid palindrome by removing at most one character from it.

Constraints:

• $1 \leq$ string.length $\leq$ $10^5$

• The string only consists of English letters.

Let's take a moment to make sure you've correctly understood the problem. The quiz below helps us to check that you're solving the correct problem:

We have a game for you to play. Rearrange the logical building blocks to develop a clearer understanding on how to solve this problem.

Note: As an additional challenge, we have intentionally hidden the solution to this puzzle.

Implement your solution in the following coding playground. We have provided a useful code template in the other file that you may build on to solve this problem.