1. Program to print hello world

print("Hello World");

2. Program to input an integer and display value

a=int(input("Enter a number"));
print("Number you entered is " , a);

3. Program to input two numbers and find sum

a=input("Enter first number");
b=input("Enter second number");
c=int(a)+int(b);
print("sum of two numbers is ", c);

4. Program to input two numbers and find difference

a=input("Enter first number");
b=input("Enter second number");
c=int(a)-int(b);
print("difference of two numbers is ", c);

5. Program to input two numbers and find product

a=input("Enter first number");
b=input("Enter second number");
c=int(a)*int(b);
print("product of two numbers is ", c);

6. Program to input two numbers and find quotient

a=input("Enter first number");
b=input("Enter second number");
c=int(a)/int(b);
print("quotient of two numbers is ", c);

7. Program to input two numbers and find remainder

a=input("Enter first number");
b=input("Enter second number");
c=int(a)%int(b);
print("remainder of two numbers is ", c);

8. Program to input a string and display its value

str=input("enter a string");
print("String you entred is ",str);

9. Program to input a float value and display value

a=float(input("Enter a decimal point value"));
print("Decimal point number you entered is ",a);

10. program to calculate area of square
side=int(input("Enter side of square"));
area=side*side;
print("area of square is ",area);

11. Program to calculate perimeter of square

side=int(input("Enter side of square"));
perimeter=4*side;
print("perimeter of square is ",perimeter);

12. Program to input length and breadth of rectangle and calculate area of rectangle

length=int(input("Enter length of rectangle"));
breadth=int(input("Enter breadth of rectangle"));
area=length*breadth;
print("area of rectangle is ",area);

13. Program to input length and breadth of rectangle and calculate perimeter of rectangle

length=int(input("Enter length of rectangle"));
breadth=int(input("Enter breadth of rectangle"));
perimeter=2*(length+breadth);
print("perimeter of rectangle is ",perimeter);

14. Program to input width,depth and height of box and calculate volume

width=int(input("Enter width of box"));
depth=int(input("Enter depth of box"));
height=int(input("Enter height of box"));
vol=width*depth*height;
print("Volume of box is ",vol);

15. Program to input radius of circle and find its area

radius=float(input("Enter radius of circle"));
area=3.14*radius*radius;
print("area of circle is : " ,area);

16. Program to input radius of circle and find circumference

radius=float(input("Enter radius of circle"));
cr=2*3.14*radius;
print("circumference of circle is : " ,cr);

17. Program to input base and height of right angled triangle and find area of right area triangle

base=float(input("Enter base of right angled triangle"));
height=float(input("Enter height of right angled triangle"));
area=0.5*base*height;
print("area of right angled triangle is ",area);

18. Program to input principal amount, rate of interest, and time in years and find simple interest

p=float(input("Enter principal amount"));
r=float(input("Enter rate of interest"));
t=float(input("Enter time in years"));
si=(p*r*t)/100;
print("Simple Interest is ",si);

19. Program to input price of item and calculate 10% discount

price=int(input("Enter price of item"));
discount=price*0.1;
print("10% discount is ",discount);

20. Program to demonstrate ** operator to calculate a raise to power of b

a=int(input("Enter a number"));
b=int(input("Enter second number"));
c=a**b;
print("a raise to power of b is ",c);

21. Program to demonstrate += operator

a=int(input("Enter a number"));
a+=2;
print("value of a is ",a);

22. Program to demonstrate -= operator

a=int(input("Enter a number"));
a-=2;
print("value of a is ",a);

23. Program to demonstrate *= operator

a=int(input("Enter a number"));
a*=2;
print("value of a is ",a);

24. Program to demonstrate /= operator

a=int(input("Enter a number"));
a/=2;
print("value of a is ",a);

25. Program to demonstrate %= operator

a=int(input("Enter a number"));
a%=2;
print("value of a is ",a);