You are given a valid XML document, and you have to print its score. The score is calculated by the sum of the score of each element. For any element, the score is equal to the number of attributes it ...

HackerRank is a pretty cool place to get better at coding. It’s got tons of challenges that really make you think and figure things out faster. Whether you’re just starting out or you’ve been coding ...

# 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()))) ...