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Programs to try using if else

Try the following program using if else
1)Compare two numbers
2)Check whether the given number is even or odd.

3)Find the biggest of 3 numbers

4)Read internal marks( out of 50) and external mark( out of 100) and print passed /failed in internal or external ( use KTU criteria..45%)

5)Check whether the given number is zero, positive or negative.

6)Find the roots of a quadratic equation ( ax^2+bx+c)

7)Read length of 3 sides and check whether it forms a triangle.
(All you have to do is use the Triangle Inequality Theorem, which states that the sum of two side lengths of a triangle is always greater than the third side. If this is true for all three combinations of added side lengths, then you will have a triangle.) 
8)Check the type of a triangle after reading the three sides ( scalene, isosceles, equilateral)

9) Check the type of a triangle after reading the three vertices ( scalene, isosceles, equilateral)

From the vertices length of the sides can be computed using the distance formulae.

A scalene triangle is a triangle that has three unequal sides.

An isosceles has two equal sides and two equal angles.

An equilateral triangle is a triangle with all three sides of equal length and also has three equal 60 degree angles.

10) Read  a mark ( out of 100) and print the corresponding grade.

 Percentage Range   Grade

            >=90                            O

            >=85 and <90            A+

>= 80 and <85           A                                

> =70 and <80           B+

> =60 and <70           B

> =50 and <60           C

>=45 and <50            P

<45                              F

11) answer = raw_input("Do you like Python? ")

if  the answer is "yes" print "That is great!" else print "That is disappointing!".

If the user input something else print “Enter yes/no”

12)Check whether a given year is Leap Year or not. A year is leap year if following conditions are satisfied

        1) Year is multiple of 400
        2) Year is multiple of 4 and not multiple of 100.

13)Write a program to check the quadrant of a given point(x,y).
14)Write a program to get the absolute value of number without using the abs() function
15)Write a program that accepts the length of three sides of a triangle as input and determine whether or not the triangle is a right triangle
16)Given three points (x1,y1 ) ,(x2,y2) and (x3,y3), check whether they form a triangle.


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