numbers = [ \
    28, 32, 30, 12, 6,  \
    6, 7, 9, 10, 17,    \
    37, 12, 41, 21, 37, \
    28, 25, 7, 30, 45   \
]

print("The list is:")
print(numbers)

number = int(input("Give me the number: "))

size = len(numbers)
while len(numbers) > 0:
    if numbers[0] == number:
        print(size - len(numbers), end=" ")
        
    numbers = numbers[1:]