message = "hello python world!"
print(message)


name = "ada lovelace"
print(name.title())
print(name.upper())
print(name.lower())


s = "whitespace "
print(s.strip()+".")


message = "One of Python's strengths is its diverse community."
print(message)


print( 3 ** 2)

age = 19
print("My age is " + str(age))