f=int(input("enter the no. "))  c=5/9*(f-32)  print("fahrenheit to celsius",round(c)) 

enter the no. 108 fahrenheit to celsius 42  

c=int(input("enter the no. ")) f=c*(9/5)+32  print("celsius to fahrenheit",round(f)) 

enter the no. 42 celsius to fahrenheit 108  

#1 feet = 0.3048 meters  feet=float(input("enter the no. "))  meter=feet*0.3048  print("feet to meters",round(meter,1)) 

enter the no. 15 feet to meters 4.6  

side=float(input("enter the no. "))  area=side**2  print("area of a square is ",area) 

enter the no. 5 area of a square is  25.0  

#area of a rectangle=length*breadth  length=float(input("enter length of the rectangle. ")) breadth=float(input("enter breadth of the rectangle. "))  area=length*breadth  print("area of a rectangle is ",area) 

enter length of the rectangle. 5 enter breadth of the rectangle. 10 area of a rectangle is  50.0  

#area of circle = πr2  r=int(input("enter the radius of circle: "))  area=3.14*(r**2)  print("area of the circle is ",area) 

enter the radius of circle: 5 area of the circle is  78.5  

#usd=rs. 84.56  dollar=float(input("enter currency in dollars: ")) usd=dollar*84.56  print("currency in rupees is =",usd) 

Enter currency in dollars: 500 Currency in rupees is = 42280.0