>>> def f(x): ... return x+2 ... >>> f(1) 3 >>> f = lambda x:x+2 >>> f(1) 3 >>> (lambda x:x+2)(1) 3
>>> if a==1: ... def info(): ... print '1'*5 ... else: ... def info2(): ... print 'info2'
>>> str='www.linuxeye.com linuxeye.com'
>>> L = ([(i,str.count(i)) for i in set(str)])
[(' ', 1), ('c', 2), ('e', 4), ('i', 2), ('m', 2), ('l', 2), ('o', 2), ('n', 2), ('u', 2), ('w', 3), ('y', 2), ('x', 2), ('.', 3)]
>>> L.sort(key = lambda k:k[1],reverse = True)
>>> print L[0][0]
e
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