Write me an text where I complain to my teacher about my grade it should be an email with about 60 words

Subject: Concern Regarding My Recent Grade

Dear [Teacher's Name],

I hope this message finds you well. I wanted to express my concerns about my recent grade in [specific subject or assignment]. I believed I had grasped the material and put in significant effort. Could we possibly discuss my performance and any areas for improvement? I appreciate your support and guidance.

Thank you for your time.

Best regards,
[Your Name]