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Introduction to nested lists
Iterating over nested lists
Modifying nested lists
Working with multiple lists
Summary
18. Quiz 2

Instruction

Question 1 was a piece of cake for you, so let's move on to Question 2.

Exercise

Create a function named hero_move_down(board) that accepts a game board in the format shown in the template code, moves the hero ('H') one field down and returns the modified board. Do not move the hero if the new field is occupied by an obstacle ('x') or is outside the game board.