1. ) Define a function emergencyStop() that takes one argument s. Then, if the emergencyStop function receives an s equal to 'yes', it should return "Stopping now." Alternatively, elif s is equal to "no", then the function should return "Continue." Finally, if emergencyStop gets anything other than those inputs, the function should return "Sorry, type again."

2.) Define a function that takes the parameter n as natural numbers and orders them in descending order.

3.) Define a function that returns the middle value among three integers. (Hint: make use of min() and max()).