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#!/usr/bin/env python2.4

import subprocess

import string

from passed import passed

# https://docs.python.org/3.10/whatsnew/2.4.html#pep-218-built-in-set-objects

assert 1 in set([1, 2])

a_str = set('ab')

assert 'b' in a_str

a_str.add('c')

assert 'c' in a_str

a_str.update('d')

assert 'd' in a_str

a_str.remove('a')

assert 'a' not in a_str

# https://docs.python.org/3.10/whatsnew/2.4.html#pep-289-generator-expressions

generator_expression = (c for c in 'ef' if c > 'e')

for c in generator_expression:

a_str.add(c)

assert 'e' not in a_str

assert 'f' in a_str

# https://docs.python.org/3.10/whatsnew/2.4.html#pep-292-simpler-string-substitutions

a_str = string.Template('var=$var')

assert a_str.substitute({'var': 1}) == 'var=1'

# https://docs.python.org/3.10/whatsnew/2.4.html#pep-318-decorators-for-functions-and-methods

def decoration(func):

def wrapper(arg):

return 'decorated' + func(arg)

wrapper.attr = 'decorated'

return wrapper

@decoration

def decorated(arg):

return arg

assert decorated.attr

assert decorated('1') == 'decorated1'

# https://docs.python.org/3.10/whatsnew/2.4.html#pep-322-reverse-iteration

assert list(reversed(xrange(1, 4))) == [3, 2, 1]

# https://docs.python.org/3.10/whatsnew/2.4.html#pep-324-new-subprocess-module

passed()