Filename:

assign$3-6.$py

Write a code to get $4$ numbers, calculate the average using the calcavg function, and print the result. Before calling your function, ensure that all inputs are entered as numbers. In addition, make sure that the correct number of arguments are provided $($there should be $4$ inputs$).$

calcavg function should take the $4$ numbers as parameters, drop the lowest one, calculate the average of the remaining three numbers, and return it

Input:

Output:

a$)44\mathrm{.}33$

b$)46\mathrm{.}67$

c$)$ The wrong number of sales provided.

d$)$ All inputs should be numeric.