Step-by-step explanation:
Since the question is general, I am providing my opinion
Normally discussion helps,
- To understand different perspective
- Increasing the thinking power, especially critical thinking
- Brings good arguments to understand better and to be clear
- To strengthen the concept or situation
- To look out of box
- Improves communication and convincing skill
- Ability to defend, provide opinion and justification
- To enhance the analyzing skill
- To be a better learner
Overall it is one the best way to learn