name = 'Donnie'
print('Hello, '+ name + '!')
print(name.lower())
print(name.upper())
print(name.title())

Author = 'Albert Einstein'
message = 'once said, "A person who never made a mistake never tried anything new.'
print(Author + ' once said, "A person who never made a mistake never tried anything new."')
print(Author + ' '+message)