instructions | Display bintestr instructions |
is_defined | Test existance of a variable |
is_defined_with_value | Test existance, class and value of a variable |
lesson_intro | This is the intro lesson |
Question | Question constructor |
QuestionTester | QuestionTester constructor |
save_and_exit | leaves the lesson |
start_lesson | loads the lesson registered as current |
status | report status |
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