I installed a QR Code Generator on my Server

apt upgrade -y
apt install pip3
apt install python-pip3
apt install python-pip
apt install python3-pip
pip3 install opencv-python qrcode numpy
apt install python3-opencv-python
apt install python3-opencv
apt install python3-qrcode
apt install python3-numpy
vi qr_gen.py
python
python3
which python3
vi qr_gen.py
chmod 755 qr_gen.py 
./qr_gen.py
l -rt
exit

1. #!/usr/bin/python3
2. import qrcode
3. # example data
4. data = "https://www.thepythoncode.com"
5. # output file name
6. filename = "site.png"
7. # generate qr code
8. img = qrcode.make(data)
9. # save img to a file
10. img.save(filename)