def print_Hello_name():
    name = input("Please enter your name: ")
    array = ['a', 'b', 'c']
    array.append(6)
    print(array)
    while len(name) == 0:
        print("Your name cannot be blank.")
        name = input("Please enter your name: ")
    print("Hello,", name)

array =[1,2,3,4,5]
print('before function call')
print_Hello_name()
print('after function call')
print(array)