Sample Solution

The following shows one way to solve this problem. It is not the only way this can be solved.

teach05_sample.py

"""
File: teach05_sample.py
Author: Brother Burton

Purpose: Determine and display letter grades.
"""

grade = int(input("What is your grade percent? "))

if grade >= 90:
    letter = "A"
elif grade >= 80:
    letter = "B"
elif grade >= 70:
    letter = "C"
elif grade >= 60:
    letter = "D"
else:
    letter = "F"

print(f"Your letter grade is: {letter}")

if grade >= 70:
    print("Congratulations! You passed the class!")
else:
    print("Stay focused and you'll get it next time!")