auto save

diy1.py

+import turtle
+import random
+pen = turtle.Turtle()
+pen.color('sienna')
+# 画布大小
+w = turtle.Screen()
+w.bgcolor('wheat')      # wheat小麦
+
+# 移动到起点
+pen.left(90)
+pen.up()
+pen.backward(150)    # 后退
+pen.down()
+pen.shape('turtle')
+def tree(n):
+    if n>=0:
+        if n<=12:
+            color_list = ['snow','lightcoral']
+            color = random.choice(color_list)
+            pen.pencolor(color)
+            pen.pensize(n/3)
+        else:
+            pen.pencolor('sienna')
+            pen.pensize(n/10)
+        pen.forward(n)
+        angle = random.random()
+        length = 1.5*random.random()
+        pen.right(30*angle)
+        tree(n-10*length)
+        pen.left(60*angle)
+        tree(n-10*length)
+        pen.right(30*angle)
+        pen.up()
+        pen.backward(n)
+        pen.down()
+tree(60)
+turtle.done()
\ No newline at end of file

my_tree.py

 import turtle
 import turtle
-
+import random
 pen = turtle.Turtle()
 pen = turtle.Turtle()
 pen.color('sienna')
 pen.color('sienna')
 # 画布大小
 # 画布大小
@@ -11,5 +11,49 @@ pen.left(90)
 pen.up()
 pen.up()
 pen.backward(150)    # 后退
 pen.backward(150)    # 后退
 pen.down()
 pen.down()
-
+# pen.forward(100)
+# pen.right(30)
+# pen.forward(50)
+# pen.penup()
+# pen.backward(50)
+# pen.left(60)
+# pen.pendown()
+# pen.forward(50)
+# pen.penup()
+# pen.backward(50)
+# pen.right(30)
+# pen.backward(100)
+# def tree(n):
+#     if n>=50:
+#         pen.forward(n)
+#         pen.right(30)
+#         tree(n-50)
+#         pen.left(60)
+#         tree(n-50)
+#         pen.right(30)
+#         pen.up()
+#         pen.backward(n)
+#         pen.down()
+def tree(n):
+    if n>=0:
+        if n<=12:
+            color_list = ['snow','lightcoral']
+            color = random.choice(color_list)
+            pen.pencolor(color)
+            pen.pensize(n/3)
+        else:
+            pen.pencolor('sienna')
+            pen.pensize(n/10)
+        pen.forward(n)
+        angle = random.randint(0,30)
+        length = random.randint(1,15)
+        pen.right(angle)
+        tree(n-length)
+        pen.left(2*angle)
+        tree(n-length)
+        pen.right(angle)
+        pen.up()
+        pen.backward(n)
+        pen.down()
+tree(60)
 turtle.done()
 turtle.done()