save project

diy1.py

+import turtle
+pen=turtle.Pen()
+screen=turtle.bgcolor("black")
+colors=["red","orange","yellow","green","purple","blue","cyan"]
+pen.speed(9999)
+for i in range(1,99999999999999999999999999999999999999999):
+    pen.speed(9999999999999999999999999999999999999999999)
+    pen.forward(i)
+    pen.pencolor(colors[i%7])
+    pen.right(91)
+pen.hidturtle()
+turtle.done()
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diy2.py

-i = 5   # 行
-j = 3   # 列
-# 使用变量i和j，代替乘法算式里面的元素，打印出单个乘法算式
+for i in range(1,10):
+    for j in range(1,10):
+        print(j,"*",i,"=",(j * i),end="  ")
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