save project

a.py

+j=1
+i=1
+for i in range(1,10):
+    for i in range(1,i+1)
+    print(j,"x",i,"=",(j*i),end=" ")

diy1.py

 import turtle
-distanse=1
-pen=turtle.Pen
-for i in range(10):每次移动都增加画笔移动的长度，并旋转91°，重复执行300次，查看效果
-    pen.forward(distanse)
-    distance+=1
-    pen.right(91)
+colors=["red","yellow","blue","brwon"]
+i=1
+pen=turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("black")
 pen.hideturtle()
+pen.pensize(i)
+for i in range(1,300):
+    pen.pencolor(colors[i%4])
+    pen.forward(i)
+    pen.right(91)
+    colors=["red","yellow","blue","brown"]
+    i=i+1
 turtle.done()
\ No newline at end of file