Answer:
Program in Python:
file = open("numbers.txt", "r")
count = 0
isum = 0
content = file.readlines()
for nums in content:
num = nums.rstrip('\n').split(" ")
for i in num:
isum= isum + int(i)
count = count + 1
print("Average: "+str(isum/count))
Explanation:
This line opens the file named numbers.txt
file = open("numbers.txt", "r")
This line initializes num to 0
count = 0
This line initializes sum to 0
isum = 0
This line reads the content of the opened file file
content = file.readlines()
This iterates through the content of the file
for nums in content:
This removes trailing new lines and blank spaces from each number
num = nums.rstrip('\n').split(" ")
This also iterates through the content of the file
for i in num:
This calculates the sum of the numbers in the file
isum= isum + int(i)
This counts the numbers in the file
count = count + 1
This calculates and prints the average of the numbers
print("Average: "+str(isum/count))
The program reads in a series of integer values from a text file and calculates the average of the values. The program is written in python 3 thus ;
with open("numbers.txt", 'r') as file :
#opens the file in read mode
content = file.readlines()
#reads in the contents of the file at once into a list
count = 0
#initialize counter
sum = 0
#initialize the sum of the integers
for line in content:
#loop through each line in the content list
num = line.rstrip("\n").split()
#removes the newline and splits the values based on whitespace
for val in num :
#loops through the list
count+=1
#increase count by one for every iteration
sum+=int(val)
#takes the Cummulative sum
print("average =", int(sum/count))
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