??

??? ???? Python ????? ???? ?? ?? ?? ??? ?? ??? ??? ?? ??? ?????. ??? ??? ????? ????? ??? ?? ??, ??? ?? ??, ??? ??, ?? ?? ?? ? ?? ??? ???? ???. ? ????? ?????? ?? ??? ???? ??? ? ??? ?????? Python ??? ???? ???? ???? ? ??? ???. ????? ??? ???? ?? ??? ??? 5?? ?? Python ????? ???????.

1. ?? ???

? ????? ???? ??

???? ??? ??, ?? ??, ?? ??? ??? ?? ???????. ?? ?? ? ?? ?? ??(?: 0?? ???)? ?? ?? ??? ????? ????? ?????. ? ????? ?? ? ??(??, ?? ?)? ?? ???? ??? ? ???? ??? ??? ??? ?????.

???? ??:

? ???? ??? ??? ???? ??, ??, ??, ??? ?? ?? ??? ?????.

??? ???:

• ? ??(???, ?? ?)? ?? ??? ?????.

• ?? ? ?? ??? ?? ??? ??? ?? ?? ??? ????.

• ??? ?? ??? ???? 0?? ???? ?????.

• ??? ??? ?? ??? ??? ?????.

?? ??:

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 "Error: Division by zero"
    return x / y

def calculator():
    print("Select operation: 1. Add 2. Subtract 3. Multiply 4. Divide")
    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(f"Result: {add(num1, num2)}")
        elif choice == '2':
            print(f"Result: {subtract(num1, num2)}")
        elif choice == '3':
            print(f"Result: {multiply(num1, num2)}")
        elif choice == '4':
            print(f"Result: {divide(num1, num2)}")
    else:
        print("Invalid input")

calculator()

2. ? ? ?? ?

? ????? ???? ??

? ? ?? ??????? ??? ??, ?? ? ???? ???? ? ??? ???. ?? ???? ??? ?????? ??? ??? ?? ??? ????? ???. ??? ???? ?? ??? ???? ??? ???? ???? ???? ???? ??? ??? ???.

???? ??:

???? ??? ????, ??, ??? ? ?? ?? ? ? ??? ????.

??? ???:

• ??? ??? ??? ?????.

• ??? ??, ??, ???? ??? ????.

• ??? ???? ?? ??? ???? ? ??? ?? ??? ??? ????.

• ?? ??? ? ??? ??? ??? ??? ???? ?????.

?? ??:

tasks = []

def add_task():
    task = input("Enter a new task: ")
    tasks.append(task)
    print(f"Task '{task}' added.")

def view_tasks():
    if not tasks:
        print("No tasks available.")
    else:
        for i, task in enumerate(tasks, start=1):
            print(f"{i}. {task}")

def delete_task():
    view_tasks()
    try:
        task_num = int(input("Enter task number to delete: ")) - 1
        removed_task = tasks.pop(task_num)
        print(f"Task '{removed_task}' deleted.")
    except (IndexError, ValueError):
        print("Invalid task number.")

def menu():
    while True:
        print("\n1. Add Task  2. View Tasks  3. Delete Task  4. Exit")
        choice = input("Enter your choice: ")
        if choice == '1':
            add_task()
        elif choice == '2':
            view_tasks()
        elif choice == '3':
            delete_task()
        elif choice == '4':
            print("Exiting To-Do List App.")
            break
        else:
            print("Invalid choice. Please try again.")

menu()

3. ?? ?? ??

? ????? ???? ??

?? ????? ??, ???, ????? ?????. ? ????? ?? ??? ??? ?? ??? ??? ???? ? ?????. ?? ???? ????? ??? ? ???? ??? ???? ???? ??? ??????.

???? ??:

? ?? ????? ????? ???? ??? ???? ????? ?? ??? ??? ????? ???.

??? ???:

• Random ??? ???? ??? ?????.

• ????? ?? ? ??? ? ?? ??? ????.

???? ?? ??? ??? ???? ?????. ??? ??? ???? ?? ??? ?????.

?? ??:

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 "Error: Division by zero"
    return x / y

def calculator():
    print("Select operation: 1. Add 2. Subtract 3. Multiply 4. Divide")
    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(f"Result: {add(num1, num2)}")
        elif choice == '2':
            print(f"Result: {subtract(num1, num2)}")
        elif choice == '3':
            print(f"Result: {multiply(num1, num2)}")
        elif choice == '4':
            print(f"Result: {divide(num1, num2)}")
    else:
        print("Invalid input")

calculator()

4. ??? ???? ???

? ????? ???? ??

???? ??? ??? ??? ????? ?? ?? ? ?? ?? ?????. ? ????? ??? ??? ??? ???? ??? ?? ? ??? ?? ??? ?? ??? ???? ? ??? ???.

???? ??:

???? ???? ??, ??, ??? ???? ??? ????? ?????.

??? ???:

• ???? ??? ??? ???? ?? ?? ????.

• ???? ??? ???? ??? ?? ??? ???? ???? ??? ????.

• ??? ????? ????? ?????.

?? ??:

tasks = []

def add_task():
    task = input("Enter a new task: ")
    tasks.append(task)
    print(f"Task '{task}' added.")

def view_tasks():
    if not tasks:
        print("No tasks available.")
    else:
        for i, task in enumerate(tasks, start=1):
            print(f"{i}. {task}")

def delete_task():
    view_tasks()
    try:
        task_num = int(input("Enter task number to delete: ")) - 1
        removed_task = tasks.pop(task_num)
        print(f"Task '{removed_task}' deleted.")
    except (IndexError, ValueError):
        print("Invalid task number.")

def menu():
    while True:
        print("\n1. Add Task  2. View Tasks  3. Delete Task  4. Exit")
        choice = input("Enter your choice: ")
        if choice == '1':
            add_task()
        elif choice == '2':
            view_tasks()
        elif choice == '3':
            delete_task()
        elif choice == '4':
            print("Exiting To-Do List App.")
            break
        else:
            print("Invalid choice. Please try again.")

menu()

5. ????? ??

? ????? ???? ??

? ?? ??? ???, ????, ??? ?? ?? ??? ?? ??? ??????. ?? ?? ??? ???? ??? ???? ?? ?? ? ?? ??? ?? ??? ????? ???.

???? ??:

? ??? ???????? ????? ???? ???? ???.

??? ???:

• ?? ??(???, ??, ??)? ??? ???.

• ???? ???? random.choice()?, ????? ???? input()? ?????.

• ?? ??? ???? ??? ?????.

• ??? ???? ?? ?????? ???? ?????.

?? ??:

import random

def guessing_game():
    number_to_guess = random.randint(1, 100)
    attempts = 0
    print("Guess the number between 1 and 100.")

    while True:
        guess = int(input("Enter your guess: "))
        attempts += 1
        if guess < number_to_guess:
            print("Too low!")
        elif guess > number_to_guess:
            print("Too high!")
        else:
            print(f"Congratulations! You've guessed the number in {attempts} attempts.")
            break

guessing_game()

??

??? ?? Python ????? ???? ?? ????? ??? ?? ???? ???? ?? ? ????. ? ????? ??? ??? ???? ?? ? ??? ?? ?????? ??? ? ?? ???? ??? ?????. ??? ????, ???? ??? ????, ???? ??? ??? ?????!

????? ?? ??? ?? ??? ??? ?????.

? ??? ?? ??? ??? ??? ???? Python ????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!