<Li> In Python, = = compares by value, versus Java, which compares numerics by value and objects by reference . (Value comparisons in Java on objects can be performed with the equals () method .) Python's is operator may be used to compare object identities (comparison by reference). In Python, comparisons may be chained, for example a <= b <= c . </Li> <Li> Python uses the words and, or, not for its boolean operators rather than the symbolic &&,,! used in Java and C . </Li> <Li> Python has a type of expression termed a list comprehension . Python 2.4 extended list comprehensions into a more general expression termed a generator expression . </Li> <Li> Anonymous functions are implemented using lambda expressions; however, these are limited in that the body can only be one expression . </Li>

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