10.把所有的输入参数的字母个数统计出来

import sys

 

letter_count=0

for i in sys.argv[1:]:

    for j in i:

        # if j.isalpha():

        if (j>="a" and j<="z") or (j>="A" and j<="Z"): 

            letter_count+=1

 

print letter_count

 

#encoding=utf-8

import sys

count=0

for i in sys.argv[1:]:

    print i

    count+=1

print count

 

#encoding=utf-8

import sys

#for i in sys.argv:

#    print i

for no,i in enumerate(sys.argv):

print no,i