#Examples for running time analysis def main(): n = eval(input('Enter n: ')) print("\nExample 1") for k in range(n): print(k) print("\nExample 2") for k in range(20): print(n) print("\nExample 3") for k in range(n): for j in range(n): print(k, j) print("\nExample 4") for k in range(n): for j in range(k, n): print(k, j) print("\nExample 5") while n > 1: print(n) n = n//2 main()