答案:import jiebawith open('沉默的羔羊.txt', 'r', encoding='utf-8') as f: ls = jieba.lcut(f.read()) #ls = f.read().split() d = {} for w in ls: d[w] = d.get(w, 0) 1 maxc = 0 maxw = "" for k in d: if d[k] > maxc and len(k) > 2: maxc = d[k] maxw = k if d[k] == maxc and len(k) > 2 and k > maxw: maxw = k print(maxw)