Python Switch statement

python_switch.py

def print_greeting(venue, name):
    """Print greeting for a specific venue."""

    venues = {
        'walmart': walmart_greeting,
        'target': target_greeting,
        'aldi': aldi_greeting,
        'food lion': food_lion_greeting,
    }

    return venues.get(venue)(name) if venue in venues else None

def walmart_greeting(name):
    print(f'Welcome to walmart {name}, the lowest prices in town!')
  
def target_greeting(name):
    print(f'Hi {name}, we have 5% off today at Target')
  
def aldi_greeting(name):
    print(f'{name}, welcome back to Aldi, did you forget something?')
  
def food_lion_greeting(name):
    print(f'Welcome to Food Lion {name}, care for a free sample?)


print_greeting('walmart', 'Juzten')

Another version of switch

mime_types = {
    'txt': 'text/plain',
     'pdf': 'application/pdf',
     'png': 'image/png',
    'jpg': 'image/jpeg',
     'jpeg': 'image/jpeg',
}

file_extension = 'txt'
mime_type = mime_types.get(file_extension, None)