'''
# ===== Don't write this =====
response = get_user_input()
if response:
print('You pressed:', response)
else: print('You pressed nothing')
# ===== Write this instead =====if response := get_user_input():
print('You pressed:', response)
else: print('You pressed nothing')
'''The first implementation is immediately clear, even if you're not familiar with Python syntax. If you don't know what the ":=" operator does, the code becomes less readable, and code clarity is traded away in favor of being slightly more concise.