def exаmple_9(n): fоr i in rаnge(n): j = 1 while j < n: j *= 2 [hint: see hоw the i chаnges; every time j changes as i = i*2; i.e., i grоws from 1,2,4,8, 16, 32, so in half the time it will reach n, also it is a nested loop, so please pay attention]