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About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. From individual to enterprise plans, HackerRank has pricing available to help any business transform their technical hiring process. The best thing about this Python practice exercise is that it helps you learn Python using sets of detailed programming questions from basic to advance. Hackerrank problem solving (basic) skills certification test complete solutions. Practices Completed; Tutorials Completed; Interview Preparation Kit; Certificates; Practices. 70% of companies test this subject. Challenges are timed, make sure you are not disturbed and focused. Test Case #02: You have to replace 'a' with 'b', which will generate "bb". py","path":"swapcase. {"payload":{"allShortcutsEnabled":false,"fileTree":{"certificates/problem-solving-basic/string-anagram":{"items":[{"name":"test-cases","path":"certificates/problem. 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