Reformat Markdown code blocks (#12795)

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: UltralyticsAssistant <web@ultralytics.com>

docs/en/guides/conda-quickstart.md

@@ -70,8 +70,8 @@ With Ultralytics installed, you can now start using its robust features for obje
 ```python
 from ultralytics import YOLO
 
-model = YOLO('yolov8n.pt')  # initialize model
-results = model('path/to/image.jpg')  # perform inference
+model = YOLO("yolov8n.pt")  # initialize model
+results = model("path/to/image.jpg")  # perform inference
 results[0].show()  # display results for the first image
 ```