1. Imagine you had a job interview that went well. Write a letter to the interviewer thanking him/her for the opportunity you were given. Remember to restate your key accomplishments/strengths as they relate to the job. 
2. Imagine you had a job interview that did not go well. Write a letter to the interviewer thanking him/her for the opportunity you were given and expressing what you have learned from it. 

Dear Sir:

       Thank you for meeting with me this morning and  discuss  about the position available in your company,    I would like to present  my   interest  of this position.

I believe I am a right  candidate of this job, I am very confident that my  skills  and    experiences are customize of this position, and I have enthusiasm  and   energy to do this job.I am   look  forward   to hearing from  you.  

Dear Sir :

      Thanks for your time to interview this morning,I learned lots from this interview experience, and I am very interest of the position ,I am look forward to hearing from you later.