Class 30 — Wednesday, November 3

Life is surprising

We are one people — Looking out for each other — Which means masking up

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Look both ways

• Back and ahead

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Agenda

• Live and learn

• Functions are first class in Python

• Chrestomathics

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Downloads

• Module cookie.py

• Module translate.py

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To do

• Complete homework 24

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What is first class

• Consider module cookie.py

def black() :

  print( "Black" )

def white() :

  print( "White" )

def go( f ) :

  """ Invokes the function indicated by parameter f

  """

  f()

if ( __name__ == "__main__" ) :

  go( black ) # go() run's function black()

  go( print ) # go() run's function print()

  go( white ) # go() run's function white()

• Program run

Black

 

White

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Problem at 손 (hand)

• Module translate.py to support text translation.

• Defines three functions

def word( string, dictionary = DEFAULT_DICTIONARY) :

  # translate the word represented by string according to dictionary

  ...

line( text, dictionary = DEFAULT_DICTIONARY ) :

  # translate the series of words represented by text according to dictionary

  ...

passage( text, dictionary = DEFAULT_DICTIONARY) :

  # translate the series of lines represented by text according to dictionary

  ...

• Some sample translation text phrases

links

est la baguette fraiche

dubailte dubailte kesusahan und guaio

umlilo adolebitque und ketel bombolla

umucu di una pantanoso neidr

dans der ketel bouyi und cuire

oog di tritons und kaki di rano

yun di fledermoyz und lingua di chien

viperae foarke und blyn cuc stik

moo fotur und ovlet tis

pre eng viehatys di voimakas guaio

mag un inferno salda bouyi und bombolla

 

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1112 artistry

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