Answer:
Answered below
Explanation:
Answer written in Python programming language
temp_list = []
count = 0
sum = 0
n = 0
is_good = True
def temperatures(temp1, temp2, temp3, temp4){
temp_list = [temp1, temp2, temp3, temp4]
for i in temp_list:
if i < 0:
is_good = False
break
return is_good
}
def average ( ){
if is_good:
for i in temp_list:
sum += i
count++
average = sum / count
return average
}