### Q1: What is the primary benefit of using back-end frameworks in application development?  
### Q2: How does Django ensure security in fintech applications?  
### Q3: What are the important components of the MVC architecture in back-end frameworks?  
### Q4: How can frameworks save time during the development process?  
### Q5: Why is community support considered a significant advantage of using popular frameworks?  
### Q6: In what way does maintainability of code improve when using a framework?  
### Q7: How would you describe a scenario where using a low-code approach could enhance development efficiency?  
### Q8: Can you provide an example of how hands-on coding with Express can be beneficial for creating APIs in fintech?  
### Q9: What communication techniques can be used to facilitate collaboration among team members working on different components of an MVC architecture?