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				lines_count = 0 
			

			

				words_count = 0
			

			

				chars_count = 0
			

			

				words_dict = {} 
			

			

				lines_list = [] 
			

			

				c1 = ['!', '?', ';', '.', ','] 
			

			

				all_line = '' 
			

			

				import collections
			

			

				
			

			

				with open('c:\invalid.txt', 'r') as f: 
			

			

				    for line in f: 
			

			

				        line = line.strip('\n') 
			

			

				        lines_count = lines_count + 1
			

			

				        all_line=all_line+line.lower() 
			

			

				       # print line
			

			

				    #print all_line
			

			

				    for i in c1: 
			

			

				        all_line=all_line.replace(i,' ') 
			

			

				    #print all_line
			

			

				    str1=all_line.split(' ') 
			

			

				    cnt=collections.Counter(str1) 
			

			

				    #print str1
			

			

				    print cnt