Fix typo in break keyword explanation

[Kamalesh-S-coder]

Corrected the spelling of 'brake' to 'break' in the explanation of loop control statements.

The changes are
What if you need to break out of the loop early? You have found something you are looking for and the loop needs to finish? Python has a keyword brake which does exactly what it's name suggests. Breaks out of the loop.
to
What if you need to break out of the loop early? You have found something you are looking for and the loop needs to finish? Python has a keyword break which does exactly what it's name suggests. Breaks out of the loop.

[github-actions]

Hi @Kamalesh-S-coder! Please reference an issue in your PR body (e.g., Closes #12) and make sure it is assigned to you.