auto save

diy4.py

-str1="本节课我们学习文字加密"
-str2="用python进行"
-er=list(str1)
-re=list(str2)
-re.insert(6,er)
-e="".join(er)
-print(e)
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+d=2
+c=3
+while d<=100:
+    if(d%2==0):
+        d-=c
+    else:
+        c+=d
+        d+=1
+        print("c:",c)
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ew.py

+import turtle
+pen=turtle.Pen()
+size=turtle.textinput("提示","你想要多大的魔法阵呀？ ")
+pen.circle(int(size))
+pen.circle(int(size),360,3)
+pen.circle(int(size),60)
+pen.circle(int(size),360,3)
+turtle.done()
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