# create sequences
aString = "abc"
aList = [ 1, 2, 3 ]
aTuple = "a", "A", 1
# unpack sequences to variables
print "Unpacking string..."
first, second, third = aString
print "String values:", first, second, third
print "\nUnpacking list..."
first, second, third = aList
print "List values:", first, second, third
print "\nUnpacking tuple..."
first, second, third = aTuple
print "Tuple values:", first, second, third
# swapping two values
x = 3
y = 4
print "\nBefore swapping: x = %d, y = %d" % ( x, y )
x, y = y, x # swap variables
print "After swapping: x = %d, y = %d" % ( x, y )