Answer:
def gradeCalculated(score): 
 if score < 60: 
 letter = 'F' 
 elif score < 70: 
 letter = 'D' 
 elif score < 80: 
 letter = 'C' 
 elif score < 90: 
 letter = 'B' 
 else: 
 letter = 'A' 
 return letter 
 
def main(): 
 grade = int(input("enter your grade from 0-100: ")) 
 print("Letter grade for ",grade,"is:",gradeCalculated(grade)) 
 if(grade>80): 
 print("You are doing good! keep it up!!") 
 else: 
 print("You have to get work hard") 
 
main()
Step-by-step explanation:
See attached image for output