Functions and Modules

def make_shirt(size = "L", slogan = "I love Python"):                    # two params both with default values
   """Generate a T-shirt order with size and slogan """                  # for documentation of function purpose
   print(f"\nYou ordered a T-shirt saying '{slogan}' in size {size}.\n")

make_shirt()                                                             # call with defaults
make_shirt("M")                                                          # call with size only
make_shirt(slogan = "I like Python")                                     # call with slogan only (must specify param name)
make_shirt(size = "S", slogan = "I like Python")                         # call with both size and slogan