So, you’ve got a HackerRank test coming up, huh? It’s pretty common these days, with lots of companies using it to see if you can code. It can feel a bit daunting, but honestly, it’s just another ...

Screening junior developers is deceptively hard. Many are early in their careers, have limited professional experience, and may be interviewing for the first time. Traditional whiteboard interviews ...

When you enter a coding interview, the most critical skill isn't speed. It's pattern recognition. You need to recognize when a problem is about moving two pointers efficiently. You must spot when a ...

write a function two check the given input is palindrome or not. Input is a number and you can't convert number to string. Check if Number 12321 is Palindrome or not. First Phase: Q1. Print repeating ...

# print(bool(re.match(r'^[-+]?[0-9]*\.[0-9]+$', input()))) # print(bool(re.search(r'^[+-]?\d{0,}\.\d{1,}$',input()))) print(bool(re.match(r'^[-+]?\d*\.\d+$', input()))) ...