Ron Li rongpenl

## copying_python_list.py
"""
hollyandprosper.com

YouTube Channel: https://www.youtube.com/@hollyandprosper
Link to the original YouTube Short:

part 1: https://youtu.be/642mFCjpHxA
part 2: https://youtu.be/VFGaapH0gaQ
part 3: https://youtu.be/k0ekMw6u5wU
"""

## python_101_01.py
with open('example.txt', 'r') as file:
  # do something

## immutable_integers.py
"""
hollyandprosper.com
YouTube Channel: https://www.youtube.com/@hollyandprosper
Link to the original YouTube Short: https://youtu.be/Oo2g93efAeQ
"""

alpha = 'alpha'

# alpha[0] = 'A'

## immutable_dict.py
"""
hollyandprosper.com
YouTube Channel: https://www.youtube.com/@hollyandprosper
Link to the original YouTube Short: https://youtu.be/rnAl4Rk5bu8
"""

from immutabledict import immutabledict
immu_dict_a = immutabledict({
    'alpha': 1,
    'beta': 2

## default_mutable.py
"""
hollyandprosper.com
YouTube Channel: https://www.youtube.com/@hollyandprosper
Link to the original YouTube Short: https://youtu.be/lATMth5wb1E
"""

# wrong way

def add_tourist(tourist, tourist_list=[]):
    tourist_list.append(tourist)

## dummy_coach.py
class Coach:
    def warm_up_players(self):
        print("The coach is warming up the players.")

    def host_retro_meeting(self):
        print("The coach is having a retro meeting after the game.")

    def coach_game(self):
        print("The game is in progress.")

## routine_refactoring.py
from typing import Callable

class Coach:
    def warm_up_players(self):
        print("The coach is warming up the players.")

    def host_retro_meeting(self):
        print("The coach is having a retro meeting after the game.")

    def coach_game(self):

## decorator_context_manager.py
from contextlib import contextmanager
from coach import Coach

@contextmanager
def activity_management(coach: Coach):
    try:
        coach.warm_up_players()
        yield coach
    finally:
        coach.host_retro_meeting()

## open_file.py
from contextlib import contextmanager


@contextmanager
def open_file(path, mode):
    try:
        file = open(path, mode)
        yield file
    finally:
        file.close()

## class_context_manager.py
from coach import Coach

class ActivityManagedCoach(Coach):
    def __enter__(self):
        self.warm_up_players()
        return self

    def __exit__(self, exc_type, exc_val, exc_tb):
        self.host_retro_meeting()
        print(f"Exception type: {exc_type}")
	"""
	hollyandprosper.com

	YouTube Channel: https://www.youtube.com/@hollyandprosper
	Link to the original YouTube Short:

	part 1: https://youtu.be/642mFCjpHxA
	part 2: https://youtu.be/VFGaapH0gaQ
	part 3: https://youtu.be/k0ekMw6u5wU
	"""
	"""
	hollyandprosper.com
	YouTube Channel: https://www.youtube.com/@hollyandprosper
	Link to the original YouTube Short: https://youtu.be/Oo2g93efAeQ
	"""

	alpha = 'alpha'

	# alpha[0] = 'A'
	class Coach:
	def warm_up_players(self):
	print("The coach is warming up the players.")

	def host_retro_meeting(self):
	print("The coach is having a retro meeting after the game.")

	def coach_game(self):
	print("The game is in progress.")
	from typing import Callable

	class Coach:
	def warm_up_players(self):
	print("The coach is warming up the players.")

	def host_retro_meeting(self):
	print("The coach is having a retro meeting after the game.")

	def coach_game(self):
	from contextlib import contextmanager
	from coach import Coach

	@contextmanager
	def activity_management(coach: Coach):
	try:
	coach.warm_up_players()
	yield coach
	finally:
	coach.host_retro_meeting()
	from contextlib import contextmanager


	@contextmanager
	def open_file(path, mode):
	try:
	file = open(path, mode)
	yield file
	finally:
	file.close()
	from coach import Coach

	class ActivityManagedCoach(Coach):
	def __enter__(self):
	self.warm_up_players()
	return self

	def __exit__(self, exc_type, exc_val, exc_tb):
	self.host_retro_meeting()
	print(f"Exception type: {exc_type}")