def helloWorld():
    print("Hello world!")
    print("How are you?")

helloWorld()

#

def hello(name):
    print("Hello,", name)
    print("How are you?")

hello("Dippy")

#

def makeHello(name):
    s = "Hello, " + name + ". How are you?"
    return s

print(makeHello("Sylvi") + " I'm doing well.")
      
###

def convertToQuarters(dollars):
    quarters = dollars * 4
    return quarters

print(convertToQuarters(2))