i looks at lambdas as unbound functions(or super function), in the case above we create the functions in a list places it in memory unboud, once binding a call to the memory address space it returns the value
it is basically same as doing this:
def f():
print "f"
a=f #unbound function, same as rename function
a() #bind call to address space
hope this helps
-Alex Goretoy
http://www.goretoy.com
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