auto save

89py/87.py

+import turtle
+pen=turtle.Pen()
+pen.pensize(5)
+pen.pencolor("blue")
+pen.left(90)
+pen.circle(50)
+pen.pencolor("black")
+pen.circle(-50)
+pen.penup()
+pen.right(90)
+pen.forward(100)
+pen.left(90)
+pen.pendown()
+pen.pencolor("red")
+pen.circle(-50)
+pen.right(180)
+pen.penup()
+pen.forward(50)
+pen.right(90)
+pen.forward(50)
+pen.right(90)
+pen.pendown()
+pen.pencolor("green")
+pen.circle(-50)
+pen.pencolor("yellow")
+pen.circle(50)
+ 
+
+ 
+
+
+ 
+
+pen.hideturtle()
+turtle.done()
+

89py/89.py

-import turtle
-pen=turtle.Pen()
-pen.pensize(5)
-pen.pencolor("red")
-pen.left(45)
-pen.forward(100)
-pen.circle(50,180)
-pen.right(90)
-pen.circle(50,180)
-pen.forward(100)
-pen.hideturtle()
-turtle.done()
+s=0
+a=input("请输入一段带有一个或多个'python'的话")
+for i in range(len(a)):
+    if a[i:i+6]=='python':
+        s+=1
+print("python出现的次数为",s)    
+