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MatroZZZ [7]
3 years ago
15

Modify the program you wrote for Chapter 6 Exercise 6 so it handles the following

Computers and Technology
1 answer:
Basile [38]3 years ago
6 0

Answer:

#try except

try:

   #opening the file

   read_file = open('numbers.txt', 'r')

   #Store the numbers in the variable file_numbers.

   file_numbers = read_file.read()

   #close the file

   read_file.close()

   #Split the number of files in list_values.

   list_values = file_numbers.split()

   #how many numbers are there

   list_length = len(list_values)

   try:

       #loop it up

       for i in range(list_length):

           list_values[i] = float(list_values[i])

       #Add up all the numbers, put into list_sum

       List_sum = sum(list_values)

       #heres how we average it

       Average_value = (List_sum)/list_length

       #print

       print(Average_value)

   except ValueError:

       print( "File must have only numbers. Try again." )

   #handles IOError exceptions

except IOError:

   #Display statement

   print("Trouble opening file. Try again.")

Explanation:

The python program uses the try-except exception handling method to catch errors in the code. The IOError is used for catching input and output errors in the program like file handling while the ValueError keyword in the except statement is used to catch data type errors from a return statement, calculation or user input.

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