Python 3- Assigns Grades

• Define a function to prompt the user to enter valid scores until they enter a sentinel value -999. Have this function both create and return a list of these scores. Do not s

Solution 1:

You defined your function to be getScore() but you're calling getScores(), so as would be expected this throws an error because the function you're calling doesn't actually exist / hasn't been defined.

Addendum: Since you changed your question, after fixing the previous error.

Likewise you're calling grades, but grades is defined in your other function not within the scope of the function where you're trying to iterate over grades.