A Simple Array Game where a User Adds O's to X's

GridGame.py

import time

# The Aim of this Code is to Help Anyone Understand how Arrays, User Input, Validation, and Custom Errors work.
# Take a Look Around and Try Understanding What Each Part Does.

# Vars
grid = [
    ["X", "X", "X", "X"],
    ["X", "X", "X", "X"],
    ["X", "X", "X", "X"],
    ["X", "X", "X", "X"],
    ["X", "X", "X", "X"],
    ["X", "X", "X", "X"]
    ]

# Functions
def GridPrint():
    for row in range(6):
        print(grid[row])

def ts(SleepingTime):
    time.sleep(SleepingTime)

# Main Program
print("[SYS] Welcome to the Grid Game!")
print("[SYS] To Quit, Press Ctrl+C.")
ts(3)

while True:
    
    # Display
    print("\n[SYS] This is your Grid currently:")
    ts(0.5)
    GridPrint()
    ts(2)

    # User Input and Check if it is Valids
    while True:
        try:
            row = int(input("\n[CHOICE 1-6] Enter a Row Number: "))
            ts(0.3)
            column = int(input("[CHOICE 1-4] Enter a Column Nummber: "))
            ts(0.3)
            break
        except:
            print("[ERROR] Bad Input. Should be an Integer.")
            ts(2)

    # Turn User Input into Array Values
    row = row - 1
    column = column - 1

    # Give Error if User Input Index is Out of Range
    try:
        grid[row][column] = "O"
    except:
        print("[ERROR] Coordinates Cannot be Found. List Index Out of Range?")
        ts(2)