#!/usr/bin/env python#Filename:readfile.pycodelist=[]f=file('input.txt','r')lines = f.readlines();for i in range(len(lines)):     line=lines[i].strip('\n');     print line     codelist+=lineprint codelist###########################################map={}for i in codelist:    if map.has_key(i)==False:        map.setdefault(i,1)    else:        count=map.get(i)+1        map[i]=countprint map############################################      sort map                           ##      sort map                           ############################################map=sorted(map.iteritems(),key=lambda asd:asd[1],reverse=True)print maplist_map=list(map);fo=file('output.txt','w')for i in list_map:     i_list = list(i)     fo.write(str(i_list[0]))     print str(i_list[0])     fo.write("\t \t \t \t")     fo.write(str(i_list[1]))     print "\n"     print str(i_list[1])     fo.write("\n")f.close()fo.close()

python 统计并排序文字出现的个数