add autocomplete example

Author: krittick

examples/app_commands/slash_autocomplete.py

@@ -0,0 +1,34 @@
+import discord
+from discord.commands import slash_command, Option
+bot = discord.Bot()
+
+COLORS = ["red", "orange", "yellow", "green", "blue", "indigo", "violet"]
+
+
+async def get_colors(ctx: discord.AutocompleteContext):
+    return [color for color in COLORS if color.startswith(ctx.value.lower())]
+
+
+async def get_animals(ctx: discord.AutocompleteContext):
+    picked_color = ctx.options["color"]
+    if picked_color == "red":
+        return ["cardinal", "ladybug"]
+    elif picked_color == "orange":
+        return ["clownfish", "tiger"]
+    elif picked_color == "yellow":
+        return ["goldfinch", "banana slug"]
+    elif picked_color == "green":
+        return ["tree frog", "python"]
+    elif picked_color == "blue":
+        return ["blue jay", "blue whale"]
+    elif picked_color == "indigo":
+        return ["eastern indigo snake"]  # needs to return an iterable even if only one item
+    elif picked_color == "violet":
+        return ["purple emperor butterfly", "orchid dottyback"]
+    else:
+        return ["rainbowfish"]
+
+
+@slash_command(name="ac_colors")
+async def autocomplete_basic_example(ctx: discord.ApplicationContext, color: Option(str, "Pick a color!", autocomplete=get_colors), animal: Option(str, "Pick an animal!", autocomplete=get_animals)):
+    await ctx.respond(f"You picked {color} for the color, which allowed you to choose {animal} for the animal.")