python function

python function

1. define a function

   • def my_function(args):
     • a function has optional parameters
       • in this simple function, we return args and 'world' concatenated
         • return args+' world'
           • >>>indent is important.
             • store the results of a function
               • my_phrase = my_function( 'hello' )
                 • my_phrase is now 'hello world'
                   • printing the results
                     • print( my_phrase )
                       • 'hello world'
                 • send arguments to the function