Python 3.3 乘法表

from StringHelper  import PadLeft 
for x in range(1,10):    
    for y in  range (1,x+1):        
        endflag='  |  \n' if x==y else '  |  '
        print(y,'*',x,'=',PadLeft( str(x*y),2,'  '),end=endflag)

StringHelper.py

# -*- coding: utf8 -*-
'''
扩展为C#中的String.PadLeft
'''
def PadLeft(str, num, padstr):
    stringlength = len(str)
    n = num - stringlength
    if n >= 0:
        str = padstr*n + str
    return str

 输出结果