练习 4：现在让我们将巫师的另外两个法术设置为函数。试试看！
- 在程序底部创建一个名为spell_2()的函数。
- 在spell_2()中，输入向导使宝藏出现的代码。
- 在程序底部创建一个名为spell_3()的函数。
- 在spell_3()中，输入法师调用他的宠物龙的代码。
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练习 4：现在让我们将巫师的另外两个法术设置为函数。试试看！
To navigate the page using the TAB key, first press ESC to exit the code editor.
Your micro:bit is not set up for this program. Follow these steps to use your device with Codesters:
Your micro:bit has an old version of the Codesters binary file. Follow these steps to update the file on your micro:bit:
Warning: This will erase any existing program on your micro:bit.
Having trouble? Check out the micro:bit instructions to update your firmware.
Setting up your micro:bit
Calibrate your micro:bit by tilting it until all the LEDs are lit.
For a demonstration see the micro:bit calibration instructions.
Try the following steps to connect to your Micro:bit:
1. You may need to reload this page and try your program again.
2. Try disconnecting and reconnecting your Micro:bit. Then reload the page and run your program again.
3. If you are still having problems your Micro:bit may have an old firmware version that is incompatible with Codesters.
To update the firmware follow these Micro:bit instructions.
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Micro:bit can only connect to one web page at a time. Try stopping other Codesters projects or closing other tabs or windows that may be using your Micro:bit.
If that doesn't fix the problem try disconnecting your Micro:bit, reloading this page, and reconnecting your Micro:bit.
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