def replace_list(list1,list2):
 
 list1[-1:] = list2
 replace_list=list1
 return replace_list
def is_not_prime(n):
    import math
    
    result = False
    for i in range(2,int(math.sqrt(n)) + 1):
        if n % i == 0:
            result = True
    return result