Gitgunawardhana patch 4

Python Projects/GuessNumber.py

@@ -0,0 +1,26 @@
+import random
+
+def guess_the_number():
+    print("Welcome to Guess the Number Game!")
+    number_to_guess = random.randint(1, 100)
+    attempts = 0
+
+    while True:
+        try:
+            user_guess = int(input("Enter your guess (between 1 and 100): "))
+            attempts += 1
+
+            if user_guess < 1 or user_guess > 100:
+                print("Please enter a number between 1 and 100.")
+            elif user_guess < number_to_guess:
+                print("Too low! Try again.")
+            elif user_guess > number_to_guess:
+                print("Too high! Try again.")
+            else:
+                print(f"Congratulations! You guessed the number in {attempts} attempts!")
+                break
+        except ValueError:
+            print("Invalid input! Please enter a valid number.")
+
+if __name__ == "__main__":
+    guess_the_number()

Python Projects/MergeSortedLinkedLists.py

@@ -0,0 +1,50 @@
+# Definition for singly-linked list.
+class ListNode:
+    def __init__(self, val=0, next=None):
+        self.val = val
+        self.next = next
+
+def merge_sorted_lists(l1, l2):
+    dummy = ListNode(-1)
+    current = dummy
+
+    while l1 is not None and l2 is not None:
+        if l1.val < l2.val:
+            current.next = l1
+            l1 = l1.next
+        else:
+            current.next = l2
+            l2 = l2.next
+
+        current = current.next
+
+    # If one of the lists is not empty, append it to the merged list
+    if l1 is not None:
+        current.next = l1
+    elif l2 is not None:
+        current.next = l2
+
+    return dummy.next
+
+# Helper function to print the merged linked list
+def print_list(head):
+    current = head
+    while current:
+        print(current.val, end=" -> ")
+        current = current.next
+    print("None")
+
+# Example usage
+# Creating sorted linked lists: 1 -> 3 -> 5 and 2 -> 4 -> 6
+list1 = ListNode(1, ListNode(3, ListNode(5)))
+list2 = ListNode(2, ListNode(4, ListNode(6)))
+
+print("First sorted list:")
+print_list(list1)
+
+print("Second sorted list:")
+print_list(list2)
+
+merged_list = merge_sorted_lists(list1, list2)
+print("Merged sorted list:")
+print_list(merged_list)

Python Projects/SimpleCalculator.py

@@ -0,0 +1,44 @@
+def add(x, y):
+    return x + y
+
+def subtract(x, y):
+    return x - y
+
+def multiply(x, y):
+    return x * y
+
+def divide(x, y):
+    if y != 0:
+        return x / y
+    else:
+        return "Cannot divide by zero!"
+
+print("Simple Calculator")
+print("Select operation:")
+print("1. Add")
+print("2. Subtract")
+print("3. Multiply")
+print("4. Divide")
+
+while True:
+    choice = input("Enter choice (1/2/3/4): ")
+
+    if choice in ["1", "2", "3", "4"]:
+        num1 = float(input("Enter first number: "))
+        num2 = float(input("Enter second number: "))
+
+        if choice == "1":
+            print("Result: ", add(num1, num2))
+        elif choice == "2":
+            print("Result: ", subtract(num1, num2))
+        elif choice == "3":
+            print("Result: ", multiply(num1, num2))
+        elif choice == "4":
+            print("Result: ", divide(num1, num2))
+    else:
+        print("Invalid Input")
+
+    another_calculation = input("Do you want to perform another calculation? (yes/no): ")
+    if another_calculation.lower() != "yes":
+        print("Thank you for using the calculator. Goodbye!")
+        break

Python Projects/TicTacCode.py

@@ -0,0 +1,48 @@
+def print_board(board):
+    for row in board:
+        print(" | ".join(row))
+        print("-" * 9)
+
+def check_winner(board, player):
+    # Check rows, columns, and diagonals
+    for i in range(3):
+        if all([cell == player for cell in board[i]]) or all([board[j][i] == player for j in range(3)]):
+            return True
+    if all([board[i][i] == player for i in range(3)]) or all([board[i][2 - i] == player for i in range(3)]):
+        return True
+    return False
+
+def is_board_full(board):
+    return all([cell != " " for row in board for cell in row])
+
+def main():
+    board = [[" " for _ in range(3)] for _ in range(3)]
+    players = ["X", "O"]
+    current_player_idx = 0
+
+    print("Welcome to Tic-Tac-Toe!")
+    print_board(board)
+
+    while True:
+        row = int(input("Enter the row (0, 1, or 2): "))
+        col = int(input("Enter the column (0, 1, or 2): "))
+
+        if board[row][col] != " ":
+            print("That position is already taken. Try again.")
+            continue
+
+        board[row][col] = players[current_player_idx]
+        print_board(board)
+
+        if check_winner(board, players[current_player_idx]):
+            print(f"Player {players[current_player_idx]} wins! Congratulations!")
+            break
+
+        if is_board_full(board):
+            print("It's a draw! Good game!")
+            break
+
+        current_player_idx = 1 - current_player_idx  # Switch player
+
+if __name__ == "__main__":
+    main()

Python Projects/guess_the_number.py

@@ -0,0 +1,26 @@
+import random
+
+def guess_the_number():
+    print("Welcome to Guess the Number Game!")
+    number_to_guess = random.randint(1, 100)
+    attempts = 0
+
+    while True:
+        try:
+            user_guess = int(input("Enter your guess (between 1 and 100): "))
+            attempts += 1
+
+            if user_guess < 1 or user_guess > 100:
+                print("Please enter a number between 1 and 100.")
+            elif user_guess < number_to_guess:
+                print("Too low! Try again.")
+            elif user_guess > number_to_guess:
+                print("Too high! Try again.")
+            else:
+                print(f"Congratulations! You guessed the number in {attempts} attempts!")
+                break
+        except ValueError:
+            print("Invalid input! Please enter a valid number.")
+
+if __name__ == "__main__":
+    guess_the_number()