auto save

diy1.py

-students = ["悟空", "小贝", "八戒", "波奇"]
+import turtle
 
 
-# 八戒因为要回老家，转学了，请将八戒从班级列表名单中删除
-?
-
-# 班上来了一个新同学，名叫"诺依"，请将"诺依"加入到班级名单里面
-?
-
-# 班上准备开始辩论赛，分为红（red）、蓝(blue)组，
-# 请用切片将班级列表的前2名加入到红组，后2名加入到蓝组
-red = ?
-blue = ?
+pen = turtle.Pen()
+colors=["red","orange","yellow","green"]
+for i in range(1,300):
+    pen.forward(i)
+    pen.pencolor(colors[1%4])
+    pen.right(110)
+turtle.done()

diy2.py

+# 需要进行加密的语句
+message = "诺依，周末一起去看动漫展吧！"
+# 请对message进行遍历，取出所有元素
+length = len(message)
+i = 0
+while i < length:
+    element = message[i]
+    print(element)
+    i += 1
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diy3.py

+import random
+key = "周四下午东门小学 一点西门见恭喜发财黄河之水天上来 蜀道难急急急是积极的女上了覅哦嗯"
+# 要加密语句
+message = "周二下午三点 南门小学北门见"  
+key_message = ""
+# 加密过程
+for i in message:
+    str1 = i
+    str2 = random.choice(key)
+    str3 = random.choice(key)
+    text = str1+str2+str3
+    key_message = key_message + text
+print(key_message)
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ssah.py

+for i in range(1, 10):
+    for a in range(1, i+1):
+        print(a, '*', i, '=', (a * i), end='  ')
+    print()
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