PICO RTC DS3231 - CPython Usage

#Note that the directory of SDK may be different for different users, you need to check
the actual directory. Generally, it should be ~/pico/.
wget -P ~/pico https://files.waveshare.com/upload/2/26/Pico-rtc-ds3231_code.zip
cd ~/pico
unzip Pico-rtc-ds3231_code.zip
c
1. Hold the BOOTSEL button of Pico, and connect the USB interface of Pico to Raspberry Pi
then release the button.
2. Compile and run the pico-rtc-ds3231 examples:
cd ~/pico/pico-rtc-ds3231_code/c/build/
cmake ..
make
sudo mount /dev/sda1 /mnt/pico && sudo cp rtc.uf2 /mnt/pico/ && sudo sync && sudo umount
/mnt/pico && sleep 2 && sudo minicom -b 115200 -o -D /dev/ttyACM0