Pythagoras with yield.py

#! /usr/bin/python
# -*- coding: UTF-8 -*-

# Pythagoras triangle in new version with yield!

def giveMeLines(numberOfLines):
    line = [1]
    for xexe in xrange(numberOfLines):
        yield line 
        tempLine = [] # buffer for new elements
        for index in range(len(line) + 1):
            if index == 0 or index == len(line) : # beging of new line
                element = 1
            else:
                element = line[index-1] + line[index]
            tempLine.append(element)
        line = tempLine


numberOfLines = int(raw_input("How many lines do you want? "))
for line in giveMeLines(numberOfLines):
    print line