Checkpoint: multiplication table

Challenge on lesson: Checkpoint: loops

CHALLENGE

Difficulty: beginner+25 XP

Implement String timesTable(int n): return n lines; line k (1-based) contains the products k*1, k*2, ..., k*n separated by single spaces, and ends with \n. timesTable(3) starts "1 2 3\n2 4 6\n3 6 9\n".

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