def get_valid_int(i_score): while i_score == None:      s_score = input("enter score: ")      try:          i_score = int(s_score)      except:          print("Not a valid integer")      cutoff_list = [90, 80, 70, 60] grade_list = ["A", "B", "C", "D", "F"] i_score = get_valid_int("Enter score: ")

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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I would want to know how to complete my python code. My biggest problem is that it is saying that you can't use a >= symbol on an int or none type. I am not supposed to use else-if, elif, or else in the code.

 

def get_valid_int(i_score):

while i_score == None:

     s_score = input("enter score: ")

     try:

         i_score = int(s_score)

     except:

         print("Not a valid integer")

    

cutoff_list = [90, 80, 70, 60]

grade_list = ["A", "B", "C", "D", "F"]

i_score = get_valid_int("Enter score: ")

 

grade ="F" #None   

for i in range(len(cutoff_list)):

if i_score >= cutoff_list[i]:

     grade = grade_list[i]

     break

print("grade = " + grade)

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