1 data = [1, 3, 6, 7, 9, 12, 14, 16, 17, 18, 20, 21, 22, 23, 30, 32, 33, 35] 2 num=int(input('输入您想找的数字：')) 3 def sch(num , data): 4 if len(data)>1: 5 start_data=int(len(data)/2) 6 data_value = data[start_data] 7 if num > data_value: 8 data = data[start_data:] 9 sch(num , data) 10 elif num < data_value: 11 data = data[:start_data] 12 sch(num , data) 13 else: 14 print("找到了!") 15 return 16 else: 17 print("找到了!") if data[0] == num else print("没找到!") 18 sch(num,data)