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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.

本练习是课程的一部分

Introduction to Julia

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练习说明

  • 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.

交互式实操练习

通过完成这段示例代码来试试这个练习。

# 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])")
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