Python - Ayuda con un codigo

#! /usr/bin/python

def t1():

	x=1

	while x<=10:

		print x

		x=x+1

def t2():

	x=2

	while x<=20:

		print x

		x=x+2

def t3():

	x=3

	while x<=30:

		print x

		x=x+3

def t4():

	x=4

	while x<=40:

		print x

		x=x+4

def t5():

	x=5

	while x<=50:

		print x

		x=x+5

def t6():

	x=6

	while x<=60:

		print x

		x=x+6

def t7():

	x=7

	while x<=70:

		print x

		x=x+7

def t8():

	x=8

	while x<=80:

		print x

		x=x+8

def t9():

	x=9

	while x<=90:

		print x

		x=x+9

def t10():

	x=10

	while x<=100:

		print x

		x=x+10

op=raw_input("Tabla a elegir: ")

if op==1:

	t1()

elif op==2:

	t2()

elif op==3:

	t3()

elif op==4:

	t4()

elif op==5:

	t5()

elif op==6:

	t6()

elif op==7:

	t7()

elif op==8:

	t8()

elif op==9:

	t9()

elif op==10:

	t10()

if op=="1":