Be me. Apply for job listing that requires Python experience. /home/tootsweet/python_projects/something_only_a_python_god_could_write.py Called and invited to team interview. Arrive dressed like perfect corporate cog, leather binder in hand. “Do you know C#?” Me: “No.” “We’re switching from Python to C#.” Didn’t get the job.

Later worked with former employees of $aforementioned_employer. They have a terrible habit of hiring in droves, only to lay off half their workforce every few years.