print "tuples"
print "-----"
x=(10,20,30,[1,2,3],(100,200,300))
print "Given tuple is "
print "--------------"
print x
print "Using index"
print "----------"
print "x[3][1] =",x[3][1]
print "x[4][2] =",x[4][2]
x[3][0]=111
print "after changing x[3][0] :",x
