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NestedLoopsSameVariableWithReuse.py

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def largest_elements(l):

for x in l:

maxnum = 0

for x in x:

maxnum = max(x, maxnum)

# The outer loop variable x has now been overwritten by the inner loop.

print "The largest element in the list", x, "is", maxnum

def largest_elements_correct(l):

for x in l:

maxnum = 0

for y in x:

maxnum = max(y, maxnum)

print "The largest element in the list", x, "is", maxnum