python function parameters default and type code example

Example 1: arguments with default parameters python

def screen_size(screen_size=80):
  return screen_aize

screen_size(120)    # the screen size is 120
screen_size()		# the screen size is 80 as default

Example 2: python 3 define type in arguments with default value

def foo(opts: dict = {}):
    pass

print(foo.__annotations__)