import sys word_dict = {} word_count, gender_sum = 0, 0 for line in sys.stdin: line = line.strip() word, count = line.split('\t') count = int(count) if word in word_dict: word_dict[word]+=count else: word_dict[word] = 1 #Reducer for word in word_dict.keys(): print("{}\t{}".format(word, word_dict[word]))