{
  "context": "This evaluation assesses how well the engineer uses the qrcode package's manual mask pattern selection feature to generate QR codes with specific mask patterns (0-7). The focus is on correctly instantiating QRCode objects with the mask_pattern parameter and generating images for all available patterns.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "QRCode instantiation",
      "description": "Uses the QRCode class constructor from the qrcode package to create QR code instances",
      "max_score": 15
    },
    {
      "name": "mask_pattern parameter",
      "description": "Correctly passes the mask_pattern parameter to the QRCode constructor with integer values",
      "max_score": 25
    },
    {
      "name": "Pattern iteration",
      "description": "Iterates through all 8 mask patterns (0-7) to generate separate QR codes for each pattern",
      "max_score": 20
    },
    {
      "name": "Data addition",
      "description": "Uses the add_data() method to add the input text data to each QRCode instance",
      "max_score": 15
    },
    {
      "name": "Image generation",
      "description": "Uses the make_image() method to generate PIL Image objects from the QRCode instances",
      "max_score": 15
    },
    {
      "name": "Image saving",
      "description": "Uses the PIL Image save() method to write the generated QR code images to PNG files with appropriate filenames",
      "max_score": 10
    }
  ]
}