Python loop syntax
for item in list :
action
ex) list
men = ["a", "b", "cxx"]
for man in men :
print "man is %s" %( man)
ex) range
for idx in range(10) :
print "idx is %d" %( idx)
ex) map
maps = { "a":11, "b": 12}
for m in maps :
print "%s -> %s" % ( m, maps[m] ) # m is not an object, it is a key. !!