test_data/mentors.csv

id,name,email,mobile_number,expertise_tags,off_days,course_id
mentor-ss1,Priya Sharma,mentor-ss1@example.com,90000s100,"['Soft Skills', 'Communication', 'Presentation']","[""Mon"", ""Tue"", ""Wed"", ""Thu"", ""Fri"", ""Sat""]",course-softskill
mentor-dsa1,Rahul Kumar,mentor-dsa1@example.com,90000a100,,"[""Sat"", ""Sun""]",course-dsa
mentor-dsa2,Ankit Singh,mentor-dsa2@example.com,90000a200,,"[""Mon"", ""Tue"", ""Wed"", ""Thu"", ""Fri""]",course-dsa
mentor-da1,Sneha Patel,mentor-da1@example.com,90000a100,,"[""Sat"", ""Sun""]",course-data-analytics
mentor-da2,Vijay Nair,mentor-da2@example.com,90000a200,,"[""Mon"", ""Tue"", ""Wed"", ""Thu"", ""Fri""]",course-data-analytics
mentor-sd1,Kavya Reddy,mentor-sd1@example.com,90000d100,,"[""Sat"", ""Sun""]",course-system-design
mentor-sd2,Arjun Mehta,mentor-sd2@example.com,90000d200,,"[""Mon"", ""Tue"", ""Wed"", ""Thu"", ""Fri""]",course-system-design
mentor-aiml1,Deepa Iyer,mentor-aiml1@example.com,90000l100,,"[""Mon"", ""Tue"", ""Wed"", ""Thu"", ""Fri""]",course-aiml
mentor-aiml2,Rohan Gupta,mentor-aiml2@example.com,90000l200,,"[""Mon"", ""Tue"", ""Wed"", ""Thu"", ""Fri""]",course-aiml