附加作业01 

 1 #利用python语言循环实现氨基R基的极性分类
 2 a=("A","V","L","I","P","F","W","M")
 3 b=("G","S","T","C","Y","N","Q")
 4 c=("K","R","H")
 5 d=("D","E")
 6 for s in "AGVLSTICYNMDENQKRHPFW":
 7     for i in range(8):
 8         if a[i]==s:
 9             print("非极性R基氨基酸：",s)
10 print("\n")
11 for s in "AGVLSTICYNMDENQKRHPFW":
12     for i in range(7):
13         if b[i]==s:
14             print("不带电荷的极性R基氨基酸：",s)
15 print("\n")
16 for s in "AGVLSTICYNMDENQKRHPFW":
17     for i in range(3):
18         if c[i]==s:
19             print("带正电荷的R基氨基酸：",s)
20 print("\n")
21 for s in "AGVLSTICYNMDENQKRHPFW":
22     for i in range(2):
23         if d[i]==s:
24             print("带负电荷的极性R基氨基酸：",s)
25             
26      

1 #利用python实现100以内的猜数字游戏
2 for i in range(100):
3     a=input("请输入:")
4     if i<eval(a):
5         print("高了！请重新输入")
6     elif i>eval(a):
7         print("低了！请重新输入")
8     else:
9         print("回答正确")

posted on 2017-03-26 17:56  余生多指教  阅读(125)  评论(0)    收藏  举报