Tic tac toe

matrix_multiplication.py

@@ -0,0 +1,14 @@
+def multiply(A, B):
+    result = [[0]*len(B[0]) for _ in range(len(A))]
+
+    for i in range(len(A)):
+        for j in range(len(B[0])):
+            for k in range(len(B)):
+                result[i][j] += A[i][k] * B[k][j]
+
+    return result
+
+A = [[1,2,3],[4,5,6]]
+B = [[7,8],[9,10],[11,12]]
+
+print(multiply(A,B))

tictactoe.py

@@ -0,0 +1,100 @@
+board = [[' ' for _ in range(3)] for _ in range(3)]
+
+def checkwinner(a):
+    if (board[0][0] == a and board[1][0] == a and board[2][0] == a or
+        board[0][1] == a and board[1][1] == a and board[2][1] == a or
+        board[0][2] == a and board[1][2] == a and board[2][2] == a):
+        return 1
+    elif (board[0][0] == a and board[0][1] == a and board[0][2] == a or
+          board[1][0] == a and board[1][1] == a and board[1][2] == a or
+          board[2][0] == a and board[2][1] == a and board[2][2] == a):
+        return 1
+    elif (board[0][0] == a and board[1][1] == a and board[2][2] == a or
+          board[0][2] == a and board[1][1] == a and board[2][0] == a):
+        return 1
+    else:
+        return 0
+
+def fill():
+    for i in range(3):
+        for j in range(3):
+            board[i][j] = ' '
+
+def play(box, a):
+    row = (box - 1) // 3
+    col = (box - 1) % 3
+    if board[row][col] != ' ':
+        return 1
+    else:
+        board[row][col] = a
+        return 0
+
+def display():
+    print(f"\n {board[0][0]} | {board[0][1]} | {board[0][2]} ")
+    print("---|---|---")
+    print(f" {board[1][0]} | {board[1][1]} | {board[1][2]} ")
+    print("---|---|---")
+    print(f" {board[2][0]} | {board[2][1]} | {board[2][2]} ")
+
+print("\nWelcome to Tic Tac Toe\n")
+print(" 1 | 2 | 3 ")
+print("---|---|---")
+print(" 4 | 5 | 6 ")
+print("---|---|---")
+print(" 7 | 8 | 9 ")
+
+while True:
+    fill()
+    instruction = input("\n\n1. Press Enter to start a new game.\n2. Press E to exit.\n-->")
+
+    if instruction == "":
+        count = 0
+        result = 0
+
+        while not result and count < 9:
+            if count % 2 == 0:
+                cell = int(input("\n\nEnter the number to mark (O):  "))
+                if 1 <= cell <= 9:
+                    if play(cell, 'O'):
+                        print("\nBlock already filled")
+                        continue
+                    else:
+                        play(cell, 'O')
+                        display()
+                        count += 1
+
+                    if checkwinner('O'):
+                        print("\n\nCongratulations O won!!!\n")
+                        result = 1
+                    else:
+                        continue
+                else:
+                    print("\nInvalid Input")
+                    continue
+            else:
+                cell = int(input("\n\nEnter the number to mark (X):  "))
+                if 1 <= cell <= 9:
+                    if play(cell, 'X'):
+                        print("\nBlock already filled")
+                        continue
+                    else:
+                        play(cell, 'X')
+                        display()
+                        count += 1
+
+                    if checkwinner('X'):
+                        print("\n\nCongratulations X won!!!\n")
+                        result = 1
+                    else:
+                        continue
+                else:
+                    print("\nInvalid Input")
+                    continue
+
+            if not result and count == 9:
+                print("\n\nIt is a DRAW!!")
+
+    elif instruction.lower() == 'e':
+        print("\nThanks for Playing!")
+        print("------------------------------")
+        break