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Battleship

Python 3 Battleship running real Python in the browser via Pyodide (WebAssembly). 5×5 grid, 4 turns.

Python:Battleship
battleship.py — python3

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battleship.py
Python 3
from random import randint
 
board = []
 
for x in range(0, 5):
board.append(["O"] * 5)
 
def print_board(board):
for row in board:
print(" ".join(row))
 
print_board(board)
 
def random_row(board):
return randint(0, len(board) - 1)
 
def random_col(board):
return randint(0, len(board[0]) - 1)
 
ship_row = random_row(board)
ship_col = random_col(board)
 
for turn in range(4):
print("Turn", turn + 1)
guess_row = int(input("Guess Row: "))
guess_col = int(input("Guess Col: "))
 
if guess_row == ship_row and guess_col == ship_col:
print("Congratulations! You sank my battleship!")
break
else:
if guess_row not in range(5) or \
guess_col not in range(5):
print("Oops, that's not even in the ocean.")
elif board[guess_row][guess_col] == "X":
print("You guessed that one already.")
else:
print("You missed my battleship!")
board[guess_row][guess_col] = "X"
if turn == 3:
print("Game Over")
print_board(board)

Runs real Python 3 in your browser via Pyodide (WebAssembly). The runtime is cached after the first load.