DFW Pythoneers Beginners Examples - 4/6/2017

ed.py

# Functions!  :)
def my_function_without_args():
    print("No args here!")

def my_function_with_args(first_argument, second_argument):
    print(f"{first_argument} - {second_argument}")

def my_function_using_star_args(*args):
    print(' '.join([x for x in args]))

def my_function_using_kwargs(**kwargs):
    print(f"{kwargs.get('foo')} - {kwargs.get('bar')}")

def neat_trick(these='', args='', here=''):
    print(f"{these} {args} {here}")

# Returns from functions!  :)

def my_default_return():
    print("Hi")
    if 1 == 1:
        pass
    else:
        raise Exception(f"World ending... :(")

people = []

class PersonNotFound(IndexError):
    """
    Raised when a person is not found. :(
    """

def get_person(idx):
    try:
        print(1/0)
        1/0
    except (IndexError, Exception) as e:
        print(repr(e))

if __name__ == "__main__":
    get_person(2)
    
    neat = {'these': 'ed', 'args': 'was', 'here': 'here'}
    neat_trick(**neat)
    my_function_without_args()
    my_function_with_args("Ed", "Was Here")
    my_function_using_star_args('ed', 'was', 'here')
    my_function_using_kwargs(foo='ed', bar='wuz here')

You'll need to run this on Python 3.5 plus (because of the 'f' strings)