• SimplePrograms

These are 10 small Python programs. Please keep programs ordered by size.

• print 'hello world'

• for name in ('peter', 'paul', 'mary'):
  • print name

• # This is a Python comment. \n is a newline name = raw_input('What is your name?\n') print 'Hi', name

• parent_rabbits, baby_rabbits = (1, 1)

  while baby_rabbits < 100:

  • print 'This generation has %d rabbits' % baby_rabbits parent_rabbits, baby_rabbits = (baby_rabbits, parent_rabbits + baby_rabbits)

• # def defines a method in Python def tax(item_charge, g = 0.05):
  • return item_charge * g
  print '%.2f' % tax(11.35) print '%.2f' % tax(40.00, 0.08)

• import re for test_string in [ '555-1212', 'ILL-EGAL']:
  • if re.match('\d\d\d-\d\d\d\d$', test_string):
    • print test_string, 'is a valid US local phone number'
    else:
    • print test_string, 'rejected'

• prices = {'apple': 0.40, 'banana': 0.50} my_purchase = {
  • 'apple': 1, 'banana': 6}
  grocery_bill = sum([prices[fruit] * my_purchase[fruit]
  • for fruit in my_purchase])
  print 'I owe the grocer $%.2f' % grocery_bill

• class ShoppingCart:

  • def init(self): self.items = [] def buy(self, item): self.items.append(item) def boughtItems(self): return self.items

  my_cart = ShoppingCart() my_cart.buy('apple') my_cart.buy('banana') print my_cart.boughtItems()

• # indent your Python code to put into an email import glob python_files = glob.glob('*.py') python_files.sort() for fn in python_files:

  • print '

'

• for line in open(fn):
  • print ' ' + line.rstrip()
  print

• import time now = time.localtime() hour = now.tm_hour

  if hour < 8: print 'sleeping' elif hour < 9: print 'commuting' elif hour < 17: print 'working' elif hour < 18: print 'commuting' elif hour < 20: print 'eating' elif hour < 22: print 'resting' else: print 'sleeping'