Mapping Functions over Sequences: map and lambda : map « Buildin Function « Python Tutorial

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Python Tutorial » Buildin Function » map 
13.31.4.Mapping Functions over Sequences: map and lambda
counters = [1234

map((lambda x: x + 3), counters)        # Function expression
13.31.map
13.31.1.map(function, sequence) calls function(item) for each of the sequence's items and returns a list of the return values
13.31.2."map(None, list1, list2)" is a convenient way of turning a pair of lists into a list of pairs
13.31.3.Mapping Functions over Sequences: map
13.31.4.Mapping Functions over Sequences: map and lambda
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