for i in range (0,len(list)): 
  print i ,list[i]

def enumerate(collection): 
  'Generates an indexed series: (0,coll[0]), (1,coll[1]) ...'   
   i = 0 
   it = iter(collection) 
   while 1: 
   yield (i, it.next()) 
   i += 1

for index，text in enumerate(list)): 
  print index ,text

count = len(open(thefilepath,'rU').readlines())

Count = -1 
For count,line in enumerate(open(thefilepath,'rU'))： 
  Pass
Count += 1