make a shopping list with python 4

shopping = []
R1 = input ( "How many items of shopping do you have? ")

for item_number in range(int(R1)):
    item = input ( "What is the No." + str(item_number+1) + " item to buy today? " )
    shopping.append(item)

count = 0
for item in shopping:
    print(item)
    count = count + 1

print ("you have " + R1 + " items in your shopping list. " )