Program Example

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1. Calculate Area of Rectangle:

   python
   length = float(input("Enter the length of the rectangle: "))
   breadth = float(input("Enter the breadth of the rectangle: "))
   area = length * breadth
   print(f"The area of the rectangle is {area}")
   

2. Calculate Area of Circle:

   python
   import math
   
   radius = float(input("Enter the radius of the circle: "))
   area = math.pi * (radius ** 2)
   print(f"The area of the circle is {area}")
   

3. Calculate Total and Percentage of Marks:

   python
   name = input("Enter the student's name: ")
   marks = []
   for i in range(5):
       mark = float(input(f"Enter the mark for subject {i+1}: "))
       marks.append(mark)
   
   total = sum(marks)
   percentage = (total / 500) * 100
   print(f"Total marks: {total}")
   print(f"Percentage: {percentage}%")
   

4. Convert Feet to Inches:

   python
   feet = float(input("Enter the distance in feet: "))
   inches = feet * 12
   print(f"The distance in inches is {inches}")
   

5. Convert Fahrenheit to Celsius:

   python
   fahrenheit = float(input("Enter temperature in Fahrenheit: "))
   celsius = (fahrenheit - 32) * 5/9
   print(f"The temperature in Celsius is {celsius}")
   

6. Calculate Volume of Cylinder:

   python
   import math
   
   radius = float(input("Enter the radius of the cylinder: "))
   height = float(input("Enter the height of the cylinder: "))
   volume = math.pi * (radius ** 2) * height
   print(f"The volume of the cylinder is {volume}")
   

You can run these programs individually depending on which task you want to perform.