Karl Liu@karl_liu_1024ChinaFollow BadgesProblem SolvingPythonC language CertificationsCertificate: C (Basic)VerifiedskillCertificate: C (Intermediate)VerifiedskillCertificate: C (Advanced)VerifiedskillWork Experiencekarl_liu_1024 has not updated employment details yet.Educationkarl_liu_1024 has not updated education details yet.