问用python从列表中删除数字

EN

n = int(input("Enter number of elements : "))
a = list(map(int, input("\nEnter the numbers : ").strip().split()))
b = sum([num for num in a if num<= 9])
print(b)

n = int(input("Enter number of elements : "))
a = list(map(int, input("\nEnter the numbers : ").strip().split()))

if len(a) == n:
    for num in a:
        if num < 9:
            a.remove(num)
    print('sum',sum(a))
else:
    print(f"You must enter {n} number")