Python素数列表生成器错误

def is_prime(n):
    if n < 2:
        return False
    for i in range(2, int(n**0.5) + 1):
        if n % i == 0:
            return False
    return True

def generate_prime_list(start, end):
    prime_list = []
    for num in range(start, end + 1):
        if is_prime(num):
            prime_list.append(num)
    return prime_list

start = 1
end = 100
prime_numbers = generate_prime_list(start, end)
print(prime_numbers)