cURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expired Weekly Mind Bender - SOLUTIONS FOR LIVING
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I turn around once. What is out will not get in. I turn around again. What is in will not get out. What am I?

Answer

A key.

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