name = "John"age = 25message = f"My name is {name}, and I am {age} years old."

import timedeftimer_decorator(func):defwrapper(*args, **kwargs):        start_time = time.time()        result = func(*args, **kwargs)        end_time = time.time()        print(f"{func.__name__} executed in {end_time - start_time} seconds")return resultreturn wrapper@timer_decoratordefexample_function():# Function logic here

# Example: Using the help() functiondefcalculate_square(number):"""    Calculates the square of a given number.Parameters:    - number (int): The input number.    Returns:    - int: The square of the input number.    """return number ** 2# Accessing help for the calculate_square functionhelp(calculate_square)

# Finding squares of even numbers in a rangesquares = [x**2 for x in range(10) if x % 2 == 0]

# Finding prime numbers using the else clausefor n in range(2, 10):for x in range(2, n):if n % x == 0:breakelse:print(n, "is a prime number.")

# Adding two numbers with a lambda functionadd_numbers = lambda x, y: x + yresult = add_numbers(3, 5)

# Pythonic iteration using enumerate and zipnames = ["Alice", "Bob", "Charlie"]ages = [25, 30, 22]# Enumerate for index and valuefor index, name in enumerate(names):    print(f"Person {index + 1}: {name}")# Zip for parallel iterationfor name, age in zip(names, ages):    print(f"{name} is {age} years old.")

# A function that multiplies all given argumentsdefmultiply(*args):    result = 1for num in args:        result *= numreturn result

# Example: Graceful error handling with try and exceptdefdivide_numbers(a, b):try:        result = a / b        print(f"The result of {a} divided by {b} is: {result}")except ZeroDivisionError:        print("Cannot divide by zero! Please provide a non-zero denominator.")except Exception as e:        print(f"An unexpected error occurred: {e}")else:        print("Division successful!")# Testing the functiondivide_numbers(10, 2)  # Normal divisiondivide_numbers(5, 0)   # Division by zerodivide_numbers("a", 2) # Unexpected error (TypeError)

# Extracting a sublist from index 2 to 5original_list = [1, 2, 3, 4, 5, 6, 7]sublist = original_list[2:6]

# Fibonacci sequence generatordeffibonacci(n):    a, b = 0, 1for _ in range(n):yield a        a, b = b, a + b

# Assertion for checking if a variable is positivenum = -5assert num > 0, "Number must be positive"

# Duplicating a nested list with both shallow and deep copiesimport copyoriginal = [[1, 2, 3], [4, 5, 6]]shallow = copy.copy(original)deep = copy.deepcopy(original)

import random# Generating a random number between 1 and 10random_number = random.randint(1, 10)

from collections import defaultdictword = "pythonic"letter_count = defaultdict(int)for letter in word:    letter_count[letter] += 1

# Reading lines from a file until a blank line is foundwith open('file.txt', 'r') as f:while (line := f.readline().strip()):        print(line)

# Function with type hintsdefgreet(name: str) -> str:returnf"Hello, {name}!"

# Creating a namedtuple for a personfrom collections import namedtuplePerson = namedtuple('Person', ['name', 'age'])alice = Person(name="Alice", age=30)

# Matching user inputs with corresponding answers in a quiznames = ["Alice", "Bob"]scores = [85, 92]for name, score in zip(names, scores):    print(f"{name}: {score}")

data = {"name": "Alice"}age = data.get("age", 30)data.setdefault("country", "USA")

if __name__ == "__main__":print("This script is being run directly!")

# Creating and activating a virtual environmentpython-m venv my_project_envsourcemy_project_env/bin/activate

# Passing a dynamic list of values to a function expecting separate argumentsdef func(a, b, c):return a + b + cvalues = [1, 2, 3]print(func(*values))

# Opening and reading a file using a context managerwithopen('file.txt', 'r') as f:content = f.read()

# Iterating a specific number of times without needing the loop counterfor _ in range(5):print("Hello, World!")

# Using map() to convert strings to uppercasenames = ["alice", "bob", "charlie"]upper_names = list(map(str.upper, names))

# Merging dictionaries using the update() methoddict1 = {'a': 1, 'b': 2}dict2 = {'b': 3, 'c': 4}dict1.update(dict2)