vtu27619 · October 25, 2025 04:57
diff --git a/Task7.py b/Task7.py
 Task7a

 def analyze_student_grades():

    # Sample data

    student_names = ["Alice", "Bob", "Charlie", "Diana"]

    student_grades = [85, 92, 78, 90]

    # 1. Print a welcome message

    print("Welcome to the Student Grades Analyzer!\n")

    

    # 2. Determine and print the number of students

    num_students = len(student_names)

    print("Number of students:", num_students)

    

    # 3. Print the type of the student names list and the grades list

    print("\nType of student_names list:", type(student_names))

    print("Type of student_grades list:", type(student_grades))

    

    # 4. Find and print the highest and lowest grade

    highest_grade = max(student_grades)

    lowest_grade = min(student_grades)

    print("\nHighest grade:", highest_grade)

    print("Lowest grade:", lowest_grade)

    

    # 5. Print the list of grades sorted in ascending order

    sorted_grades = sorted(student_grades)

    print("\nSorted grades:", sorted_grades)

 

    # 6. Print the list of grades in reverse order

    reversed_grades = list(reversed(sorted_grades))

    print("Reversed grades:", reversed_grades)

    

    # 7. Generate and print a range of grade indices from 1 to the number of students

    grade_indices = list(range(1, num_students + 1))

    print("\nGrade indices from 1 to number of students:", grade_indices)

 # Run the analysis

 analyze_student_grades()

 Task7b

 def add(a, b):

        return a + b

 def subtract(a, b):

    return a - b

 multiply = lambda a, b: a * b

 divide = lambda a, b: a / b if b != 0 else "Error: Division by zero"

 # Regular function for greeting

 greet = lambda name: f"Hello, {name}! Welcome to the program."

 def main():

    # Demonstrating the use of lambda functions

    num1 = int(input("enter num1:"))

    num2 = int(input("enter num2:"))

    

    print("Arithmetic Operations:")

    print("Sum of", num1, "and", num2, ":", add(num1, num2))

    diff=subtract(num1, num2)

    print("Difference between", num1, "and", num2, ":", diff)

    if diff< 0:

        print("The difference is negative!")

    elif diff==0:

        print("The difference is Zero!")

    else:

        print("The difference is Positive!")

    print("Product of", num1, "and", num2, ":", multiply(num1, num2))

    print("Quotient of", num1, "and", num2, ":", divide(num1, num2))    

    # Greeting the user

    user_name = "Alice"

    print("\nGreeting:")

    print(greet(user_name))

 # Run the main function

 if __name__ == "__main__":

    main()

    

 Task7c

 # Recursive function to reverse a string

 def reverse_string(s):

    if len(s) == 0:   # base case

        return s

    return reverse_string(s[1:]) + s[0]

 # Test cases

 print("Reverse of 'hello' =", reverse_string("hello"))

 print("Reverse of 'python' =", reverse_string("python"))

 print("Reverse of 'recursion' =", reverse_string("recursion"))

 Task7d

 from functools import reduce

 # Sample data

 student_names = ["Alice", "Bob", "Charlie", "Diana"]

 student_grades = [65, 72, 58, 70]

 print("Original Grades:")

 print(list(zip(student_names, student_grades)))

 # 1. Scale grades using map and lambda (e.g., add 20 internal points to each grade)

 scaled_grades = list(map(lambda x: x + 20, student_grades))

 print("\nScaled Grades (+20 points):")

 print(list(zip(student_names, scaled_grades)))

 # 2. Filter students with grades above 90 using filter and lambda

 high_achievers = list(filter(lambda x: x > 90, scaled_grades))

 print("\nStudents with grades above 90:", high_achievers)

 # 3. Calculate total and average using reduce

 total = reduce(lambda a, b: a + b, scaled_grades)

 average = total / len(scaled_grades)

 print("\nTotal of scaled grades:", total)

 print("Average of scaled grades:", average)

 # 4. Sort grades in ascending order using sorted and lambda

 sorted_grades = sorted(scaled_grades)

 print("\nSorted Grades (Ascending):", sorted_grades)

 # 5. Sort grades in descending order using sorted and lambda

 sorted_desc = sorted(scaled_grades, reverse=True)

 print("\nSorted Grades (Descending):”, sorted_desc )
	Task7a

	def analyze_student_grades():

	# Sample data

	student_names = ["Alice", "Bob", "Charlie", "Diana"]

	student_grades = [85, 92, 78, 90]

	# 1. Print a welcome message

	print("Welcome to the Student Grades Analyzer!\n")



	# 2. Determine and print the number of students

	num_students = len(student_names)

	print("Number of students:", num_students)



	# 3. Print the type of the student names list and the grades list

	print("\nType of student_names list:", type(student_names))

	print("Type of student_grades list:", type(student_grades))



	# 4. Find and print the highest and lowest grade

	highest_grade = max(student_grades)

	lowest_grade = min(student_grades)

	print("\nHighest grade:", highest_grade)

	print("Lowest grade:", lowest_grade)



	# 5. Print the list of grades sorted in ascending order

	sorted_grades = sorted(student_grades)

	print("\nSorted grades:", sorted_grades)



	# 6. Print the list of grades in reverse order

	reversed_grades = list(reversed(sorted_grades))

	print("Reversed grades:", reversed_grades)



	# 7. Generate and print a range of grade indices from 1 to the number of students

	grade_indices = list(range(1, num_students + 1))

	print("\nGrade indices from 1 to number of students:", grade_indices)

	# Run the analysis

	analyze_student_grades()

	Task7b

	def add(a, b):

	return a + b

	def subtract(a, b):

	return a - b

	multiply = lambda a, b: a * b

	divide = lambda a, b: a / b if b != 0 else "Error: Division by zero"

	# Regular function for greeting

	greet = lambda name: f"Hello, {name}! Welcome to the program."

	def main():

	# Demonstrating the use of lambda functions

	num1 = int(input("enter num1:"))

	num2 = int(input("enter num2:"))



	print("Arithmetic Operations:")

	print("Sum of", num1, "and", num2, ":", add(num1, num2))

	diff=subtract(num1, num2)

	print("Difference between", num1, "and", num2, ":", diff)

	if diff< 0:

	print("The difference is negative!")

	elif diff==0:

	print("The difference is Zero!")

	else:

	print("The difference is Positive!")

	print("Product of", num1, "and", num2, ":", multiply(num1, num2))

	print("Quotient of", num1, "and", num2, ":", divide(num1, num2))

	# Greeting the user

	user_name = "Alice"

	print("\nGreeting:")

	print(greet(user_name))

	# Run the main function

	if __name__ == "__main__":

	main()



	Task7c

	# Recursive function to reverse a string

	def reverse_string(s):

	if len(s) == 0: # base case

	return s

	return reverse_string(s[1:]) + s[0]

	# Test cases

	print("Reverse of 'hello' =", reverse_string("hello"))

	print("Reverse of 'python' =", reverse_string("python"))

	print("Reverse of 'recursion' =", reverse_string("recursion"))

	Task7d

	from functools import reduce

	# Sample data

	student_names = ["Alice", "Bob", "Charlie", "Diana"]

	student_grades = [65, 72, 58, 70]

	print("Original Grades:")

	print(list(zip(student_names, student_grades)))

	# 1. Scale grades using map and lambda (e.g., add 20 internal points to each grade)

	scaled_grades = list(map(lambda x: x + 20, student_grades))

	print("\nScaled Grades (+20 points):")

	print(list(zip(student_names, scaled_grades)))

	# 2. Filter students with grades above 90 using filter and lambda

	high_achievers = list(filter(lambda x: x > 90, scaled_grades))

	print("\nStudents with grades above 90:", high_achievers)

	# 3. Calculate total and average using reduce

	total = reduce(lambda a, b: a + b, scaled_grades)

	average = total / len(scaled_grades)

	print("\nTotal of scaled grades:", total)

	print("Average of scaled grades:", average)

	# 4. Sort grades in ascending order using sorted and lambda

	sorted_grades = sorted(scaled_grades)

	print("\nSorted Grades (Ascending):", sorted_grades)

	# 5. Sort grades in descending order using sorted and lambda

	sorted_desc = sorted(scaled_grades, reverse=True)

	print("\nSorted Grades (Descending):”, sorted_desc )