fixed certain functions, simplified the code and added descrption for certain lines of code. [perfect code]
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assignment-2.py
145
assignment-2.py
@ -1,92 +1,85 @@
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# DSL - Assignment 2
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# List for storing marks
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marks = []
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total = int(input("Total number of students are:\t"))
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students=[]
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marks=[]
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total_students_in=int(input("Total number of students are: \t"))
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# Input marks
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def marksInput():
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print("\n----------\nNOTE: PLEASE ENTER MARKS OUT OF 50. ENTER '-1' FOR ABSENT STUDENTS.\n----------\n")
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for i in range(total):
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enterMarks = int(input(f"Enter marks for student {i+1}:\t"))
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marks.append(enterMarks)
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print(f"\n-----\nMarks of {total} students are:\t{marks}\n-----")
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# Entering marks
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def total_students_fn():
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for i in range(total_students_in):
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marks_in=int(input("Enter marks for DSA subject for each student (out of 50) (enter -1 for absent students): \t"))
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marks.append(marks_in)
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print("Marks of", total_students_in, "students in DSA subject are:", marks)
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total_students_fn()
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# Option 1 = Average
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# Option 1 = Average score
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def average_marks():
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marks_withoutAbsent = []
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for i in marks:
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if i<0:
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break
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if (i >= 0):
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marks_withoutAbsent.append(i)
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else:
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average_calc=sum(marks)/total_students_in
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print("Average score of", total_students_in, "is: \t", average_calc)
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break
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average_calc = sum(marks_withoutAbsent) / total
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print(f"\n------\nAverage score of {total} students is:\t{average_calc}\n-----")
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# Option 2 = Highest and lowest
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# Option 2 = High and low marks
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def high_low():
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mini=marks[0]
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maxi=marks[0]
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for i in range (len(marks)):
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if (maxi<marks[i] and marks[i]>-1):
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maxi=marks[i]
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for j in range (len(marks)):
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if (mini>marks[j] and marks[j]>-1):
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mini=marks[j]
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print("Highest marks are: \t", maxi)
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print("Lowest marks are: \t", mini)
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# Option 3 = Absent
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def absent():
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absent_count=0
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for i in marks:
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if i==-1:
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absent_count+=1
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print("Total number of absent students out of", total_students_in, "are: \t", absent_count)
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# Option 4 = Highest freq
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def high_freq():
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freq_count=0
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maxi = marks[0] # Initialize maxi with the first element of the marks list
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mini = marks[0] # Initialize mini with the first element of the marks list
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for i in range(len(marks)):
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if (i>=0):
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count=0
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if (maxi < marks[i] and marks[i] > -1):
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maxi = marks[i]
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for j in range(len(marks)):
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if (marks[i]==marks[j]):
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count+=1
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if (freq_count<count):
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freq_count=count
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else:
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break
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print("Highest frequency is: \t", freq_count)
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if (mini > marks[j] and marks[j] > -1):
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mini = marks[j]
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print(f"\n-----\nHighest score is:\t{maxi}\nLowest score is:\t{mini}\n-----")
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# Choosing an option
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def choose_optn():
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while True:
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print("Choose an operation to perform:")
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print("1. Average score of all students")
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print("2. Highest and lowest score out of all students")
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print("3. Count of students absent for test")
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print("4. Display marks with highest frequency")
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print("5. Exit")
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optn=int(input("Enter option number (1-5): \t"))
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if optn==1:
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# Option 3 = Absent count
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def absent():
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absent_count = 0;
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for i in marks:
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if (i < 0):
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absent_count+=1
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else:
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continue
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print(f"\n-----\nTotal absent students are:\t{absent_count}\n-----")
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# Option 4 = Highest frequency
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def high_freq():
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freq_count = 0 # Initialise frequency counter
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for i in range(len(marks)): # Iterate through marks list using i
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if (marks[i] >= 0): # Only consider non-negative marks (since -1 is absent)
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temp_count = 0 # Initialise temporary counter
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for j in range(len(marks)): # Iterate through marks list using j again
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if (marks[i] == marks[j]):
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temp_count+=1
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if (freq_count < temp_count): # If temp_count is greater than freq_count value, then
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freq_count = temp_count # Make freq_count equal to temp_count
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print(f"\n-----\nHighest frequency is:\t{freq_count}\n-----")
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def main():
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marksInput()
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while (1):
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print("\n----- MAIN MENU -----")
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print("1 -> Average score of class")
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print("2 -> Highest and lowest score of class")
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print("3 -> Total absent students")
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print("4 -> Marks with highest frequency")
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print("5 -> Exit")
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optn = int(input("Choose an option (1-5):\t"))
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if (optn == 1):
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average_marks()
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print("Designed and Engineered by Kshitij")
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elif optn==2:
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elif (optn == 2):
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high_low()
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print("Designed and Engineered by Kshitij")
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elif optn==3:
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elif (optn == 3):
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absent()
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print("Designed and Engineered by Kshitij")
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elif optn==4:
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elif (optn == 4):
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high_freq()
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print("Designed and Engineered by Kshitij")
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elif optn==5:
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print("## Designed and Engineered by Kshitij\n## END OF CODE.")
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elif (optn == 5):
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print("\n\n## END OF CODE\n\n")
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quit()
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else:
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print("\n Invalid option selected. Please choose from range 1 to 5. \n")
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choose_optn()
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choose_optn()
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## END OF CODE
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print("\n\nPlease choose a valid option (1-5)\n\n")
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main()
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