MyPythonCodeBase / Write a Python program to get the n (non-negative integer) copies of the first 2 characters of a given string. Return the n copies of the whole string if the length is less than 2.

Learn how to use different methods and tools to determine the length of a string in Python, such as the len() function, the sys.getsizeof() function, and the re.findall() function.

PYTHON / Given an integer array nums and an integer k, return the length of the shortest non-empty subarray of nums with a sum of at least k. If there is no such subarray, return -1. A subarray is a ...