num1=float(input("Enter first number:")) num2=float(input("Enter second number:")) op=input("Enter operator[ + - * / % ]:") result=0 If op == '+': result=num1+num2 else op =='-': result=num1-num2 else op =='*': result=num1*num2 else op =='/': result=num1/num2 else op =='%': result=num1%num2 else: print ("Invalid operator!!") print(num1,op,num2,'=',result) Output Enter first number:5 Enter second number:2 Enter operator[ + - * / % ]: * 5.0*2.0=10.0
radius=float(input("Enter radius of the circle:")) print("1.calculate area") print("2.calculate perimeter") Choice=int(input("Enter your choice (1or2):")) if choice == 1: area=3.14159*radius*radius print("area of circle with radius", radius,'is',area) else: perm=2*3.14159*radius print ("perimeter of circle with radius", radius,'is',perm) Output Enter radius of circle : 2.5 1.calculate area 2.calculate perimeter Enter your choice(1or 2):1 area of circle with radius 2.5 is 19.6349375
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