2_clear_skies.py

def next_move(direction, row, col, rows):
    moves = {
        "up": (-1, 0),
        "down": (1, 0),
        "left": (0, -1),
        "right": (0, 1)
    }

    d_row, d_col = moves[direction]
    row = (row + d_row)
    col = (col + d_col)
    return row, col

def fill_the_field_and_find_jet_position(size, j_row, j_col, enemies):
    field = []
    for r in range(size):
        row = list(input())
        field.append(row)
        if "J" in row:
            j_row = r
            j_col = row.index("J")
        if "E" in row:
            enemies += row.count("E")

    return field, j_row, j_col, enemies


def main():
    size = int(input())
    jet_row, jet_col = None, None
    enemies = 0
    field, jet_row, jet_col, enemies = fill_the_field_and_find_jet_position(size, jet_row, jet_col, enemies)
    jet_armour = 300
    line = ' '

    while line:
        line = input()

        next_row, next_col = next_move(line, jet_row, jet_col, size)
        field[jet_row][jet_col] = "-"

        if field[next_row][next_col] == "E":
            field[next_row][next_col] = "-"
            enemies -= 1
            if enemies == 0:
                print("Mission accomplished, you neutralized the aerial threat!")
                jet_row, jet_col = next_row, next_col
                field[jet_row][jet_col] = "J"
                break
            else:
                jet_armour -= 100
                if jet_armour <= 0:
                    jet_row, jet_col = next_row, next_col
                    field[jet_row][jet_col] = "J"
                    print(f"Mission failed, your jetfighter was shot down! Last coordinates [{jet_row}, {jet_col}]!")
                    break

        elif field[next_row][next_col] == "R":
            jet_armour = 300
            field[next_row][next_col] = "-"

        jet_row, jet_col = next_row, next_col
        field[jet_row][jet_col] = "J"

    for row_ in field:
        print(''.join(row_))


if __name__ == "__main__":
    main()