auto save

level3-lesson22-diy3_2.py

+from tkinter import filedialog, Tk
+from PIL import Image
+
+root = Tk()
+root.withdraw()
+path = filedialog.askopenfilenames(title='选择图片文件',
+                                 filetypes=[("png", ".png")],
+                                 initialdir="./")
+
+sequence = []
+for i in path:
+    img = Image.open(i)
+    sequence.insert(0, img)
+
+sequence[0].save("dive.gif", save_all=True,
+                 append_images=sequence[1:])
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