print("Hello Python")
message="hello python"
print(message)

message= "hello world"
print(message)

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

first_name ="ada"
last_name = "lovelace"
full_name =first_name + " " + last_name 
print(full_name)
print("hello, " + full_name.title() + "!")

message= "hello, " + full_name.title()+ "!"
print(message)

message= "Siyuan wants to sleep"
print(message)

