#
# swapping numbers
#

a, b = input("Type two numbers separated by a comma: ");
print "a =", a, "b =", b;

# first swap: traditional
tmp = a;
a = b;
b = tmp;

print "Traditional swap: a =", a, "b =", b;

# now using simultaneous assignment
a, b = b, a;

print "Simultaneous assignment swap: a =", a, "b =", b