how to get opencv version code example

Example 1: how to check opencv version using python

$ python # "python3"- if you are using another version of python
>>>import cv2
>>>cv2.__version__

Example 2: how to check opencv version command line

# in terminal type python3 then the following,
import cv2
cv2.__version__

Example 3: how to check opencv version

$ python -c 'import cv2; print(cv2.__version__)' # 'python3' - if you are using another version of python