character: Lenny the Leap Year Learner
topic: Understanding Leap Years and Their Occurrence
subject: Math
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character: Professor Pi
topic: Calculating Time Intervals: Why Leap Years Exist
subject: Math
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character: Sarah the Scientist
topic: The Science Behind Leap Years: A Historical Perspective
subject: Math
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character: Charlie the Calendar Conundrum Solver
topic: Decoding the Rules of the Gregorian Calendar
subject: Math
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