I need suggestions/help for writing the following function:
import turtle
import time
import random
# This list represents the board. It's a list
# of nine strings, each of which is either
# "X", "O", "_", representing, respectively,
# a position occupied by an X, by an O, and
# an unoccupied position. The first three
# elements in the list represent the first row,
# and so on. Initially, all positions are
# unoccupied.
the_board = [ "_", "_", "_",
"_", "_", "_",
"_", "_", "_"]
def do_user_move(board, x, y):
"""
signature: list(str), int, int -> bool
Given a list representing the state of the board
and an x,y screen coordinate pair indicating where
the user clicked, update the board
with an O in the corresponding position.
The function returns a bool indicated if
the operation was successful: if the user
clicks on a position that is already occupied
or outside of the board area, the move is
invalid, and the function should return False,
otherise True.
"""
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