Get startedGet started for free

Modifying arrays

You are looking at the array of students' grades once again. It has come to your attention that your own grade, which is at index 4 in the array, is not as high as it should be. It's time to write a mutating function to take care of this obvious mistake.

This exercise is part of the course

Introduction to Julia

View Course

Exercise instructions

  • Write a mutating function named topstudent!(), which takes an array named x as an argument and modifies the value at index 4 to "AAAA".
  • Use the function to modify the grades array grades_array.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Write a grade mutating function
function ____(____)
	____ = ____
end

println("Your previous grades were $(grades_array[4])")

# Call the function on grades_array
____(____)

println("Your new grades are $(grades_array[4])")
Edit and Run Code