import os

def compare_linelist(filename1,filename2):  
     print "compare_linelist (%s,%s)"%(filename1,filename2)
     f1=open(filename1,"r")
     f2=open(filename2,"r")
     line1=f1.readline().strip()
     line2=f2.readline().strip()
   
     nSucc=0
     nCount=0
     while True:
         if line1=='' or  line2=='':            
             break
         print "%s : %s"%(line1,line2) 
         nCount=nCount+1
         if line1==line2:
             nSucc=nSucc+1
         line1=f1.readline().strip()
         line2=f2.readline().strip()   
 
     rate=float(nSucc)/float(nCount)*100        
     
     f1.close()
     f2.close()   
     return (nCount,nSucc,rate)

if __name__=='__main__':
    work_directory="E:\\py\\WinPython-32bit-2.7.6.4\\study"
    os.chdir(work_directory)
    print "current directory:", work_directory    
    filename1="1.txt"
    filename2="2.txt"    
    result=compare_linelist(filename1,filename2)
    print("nCount:%d nSucc:%d rate:%d%%")%result