Answer:
Option B is correct.
Explanation:
The drawback to choosing face-to-face contact across certain platforms of interactions is that it is always impracticable to plan a schedule for face-to-face conversation because mostly the time of both participants should not be the same, sometime the one person wait for the other person or the other person wait for 1st one.
- The following problems occur through the internet, the system configuration or the browsers, application configuration.
- So, the following are the reasons that describe the other options are not appropriate according to the scenario.
From the code you posted, there is no function call to vendingMachine()
Try at the top of your code:
print ("hello")
vendingMachine()
def vendingMachine():
...
User interface is the answer
