#infinite loop. while True: # get an input from the user. course_grade = input("What letter grade did you get in " + course_ID + "?: ") # if letter grade is not in the dictionary. if course_grade not in grading_scale: # print a message. print ("Invalid input. Retry again. ") # get an input from the user again. course_grade = input("What letter grade did you get in " + course_ID + "?: ") else: print ("The grade scale is from " + (grading_scale[course_grade] + ".")) # break the loop. break

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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I need help with my python code. Why does it print “what letter did you get in BBT? : A twice after entering the correct letter grade that’s in the dictionary. I was wondering if you could help me. Please provide the solution and code.
# infinite loop.
while True:
# get an input from the user.
course_grade = input("What letter grade did you get in "
+ course_ID + "?: ")
# if letter grade is not in the dictionary.
if course_grade not in grading_scale:
# print a message.
print ("Invalid input. Retry again. ")
# get an input from the user again.
course_grade = input("What letter grade did you get in " + course_ID + "?: ")
else:
print ("The grade scale is from
# break the loop.
break
+ (grading_scale[course_grade] + "."))
Transcribed Image Text:# infinite loop. while True: # get an input from the user. course_grade = input("What letter grade did you get in " + course_ID + "?: ") # if letter grade is not in the dictionary. if course_grade not in grading_scale: # print a message. print ("Invalid input. Retry again. ") # get an input from the user again. course_grade = input("What letter grade did you get in " + course_ID + "?: ") else: print ("The grade scale is from # break the loop. break + (grading_scale[course_grade] + "."))
What letter grade did you get in BBT?: L
Invalid input. Retry again.
What letter grade did you get in BBT?: A
What letter grade did you get in BBT?: A
The grade scale is from 90 to 100.
Your GPA is : 4.0
Transcribed Image Text:What letter grade did you get in BBT?: L Invalid input. Retry again. What letter grade did you get in BBT?: A What letter grade did you get in BBT?: A The grade scale is from 90 to 100. Your GPA is : 4.0
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