# Create a random board for the game Boggle
from pprint import pprint
from random import randrange

# Constants for the size of the board
NUM_ROWS = 4
NUM_COLS = 4

# Create a new, empty board
board = []
# For each row in the board
for row in range(NUM_ROWS):
  # Add a new, empty row to the board
  board.append([])
  # For each column in the board
  for col in range(NUM_COLS):
    board[row].append(" ")

# Place a random letter at each location in the board
for row in range(NUM_ROWS):
  for col in range(NUM_COLS):
    # Pick a random letter
    i = randrange(26)
    letter = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"[i]
    # Store the letter in the board
    board[row][col] = letter

# Display the board
pprint(board)