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    This is not possible without conversion of string into integer/float.

                     How to do conversion of inputted values?
                     Change the 1st line of code in program 3 with the following line and execute your program.

                     age=int(input("Enter your age"))
                     It will execute successfully and give you an increased value of age by 2.
                     To  do  conversion  into  integer  and  float  values,  int()  and  float()  functions  will  be  used,
                     respectively.

                     Program 3: Write a program to calculate the average of 3 inputted numbers.

                     Code:

                     A=int(input("Enter value of A"))
                     B= int(input("Enter value of B"))
                     C= int(input("Enter value of C"))
                     S=A+B+C
                     Avg=S/3
                     print("Average of Numbers is ",Avg)
                     Program 4: Write a program to calculate xⁿ, where x is base and n is exponent.
                     Code:

                     x= int(input("Enter base value"))

                     n=int(input("Enter exponent"))
                     pow=x**n
                     print(pow)
                     Program 5: Write a program to calculate Body Mass Index of  a person.
                                        [BMI=m/h   where m is mass in kg and h is height in meters]
                                              2
                     Code:

                     m=int(input("Enter body weight in kilogram"))
                     h=  int(input("Enter height in meter"))
                     BMI=m/(h**2)
                     print("Your BMI is ", BMI)
                     3.2.2 Decision Structure

                     Decision  structure in programming allows  you  to execute  statements  based  on a  given

                     condition.  If the  condition  evaluates  to  True,  one set  of statements is executed.
                     Otherwise, if the condition evaluates to False, another set of statements is executed.
                     In  Python, decision  structure  is implemented through if…else statement. The  if…else

                     statement evaluates a test expression and will execute the body of if block only when
                     the test condition is True. If the condition is False, the  body of else  block is executed.
                     Statements that are written at the same indent form a block.

                                                                               Python Programming                       35

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