Python examples to show possibilities of www.gistrun.com.
Following examples are taken from https://wiki.python.org/moin/SimplePrograms
1 line: Output
print 'Hello, world!'
3 lines: For loop, built-in enumerate function, new style formatting
friends = ['john', 'pat', 'gary', 'michael'] for i, name in enumerate(friends): print "iteration {iteration} is {name}".format(iteration=i, name=name)
4 lines: Fibonacci, tuple assignment
parents, babies = (1, 1) while babies < 100: print 'This generation has {0} babies'.format(babies) parents, babies = (babies, parents + babies)
5 lines: Functions
def greet(name): print 'Hello', name greet('Jack') greet('Jill') greet('Bob')
6 lines: Import, regular expressions
import re for test_string in ['555-1212', 'ILL-EGAL']: if re.match(r'^\d{3}-\d{4}$', test_string): print test_string, 'is a valid US local phone number' else: print test_string, 'rejected'
7 lines: Dictionaries, generator expressions
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