print r"output message\n\r"

    print ord('A')
    print chr(65)

    print u'中文'

    print "%s have $%d" % ("you", 100)

    list, tuple, dict, set

    def nop():
        pass        

    if not isinstance(x, (int, float)):
            raise TypeError('bad operand type')

    L[1:3], L[-2:], L[:]

    [x * x for x in range(1, 11) if x % 2 == 0]

    >>> def odd():
    ...     print 'step 1'
    ...     yield 1
    ...     print 'step 2'
    ...     yield 3
    ...     print 'step 3'
    ...     yield 5        
    >>> o = odd()
    >>> o.next()
    step 1
    1
    >>> o.next()
    step 2
    3
    >>> o.next()
    step 3
    5

    import functools
    int2 = functools.partial(int, base=2)

    def read_file(path):
        s = set([])
        f = open(path, 'r')
        for line in f.readlines():
            s.add(line.strip())
        return s


        /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/matplotlib/mpl-data/fonts/ttf