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Python provides a pre-defined method to implement Input/Output Operation

1 input():-     this method is used to take input from users using keyboard.we can pass the message as a parameter into input().

var = input(message)


By default input() return string type data, we can convert it into the integer.

Program of Addition with input()

a = input("enter first number")  # "2"
b = input("enter second number")  # "3"
c=a+b   # "2"+"3"  23
print(c)

this will provide 23 results because 2 and 3 will be concatenated hence to perform addition, we will typecast string type data to the integer type.


int():-  String to Integer

float():-  String to Float

str():-   Int ,float to String

Now the addition program will be implemented into this pattern:-

a = int(input("enter first number"))  # 2
b = int(input("enter second number"))  # 3
c=a+b   # 2+3  5
print(c)

after execution, the result will be 5

........................................................................................................................

WAP to calculate the area of a triangle? 

Formula=  area = (base*height)/2


WAP to enter the full name, mobile and date-of-birth? 

name = input("enter name")
mobileno= input("enter mobileno")
dob=input("enter date of birth")
print(name,mobileno,dob)
print("name is ",name,"mobileno is ",mobileno,"date of birth is ",dob)





2 print():-  It is used to display Integer type data, float type data and String type data .we can print single statements and multiple statements both using print().

print(statement1,statement2,statement3)

print(statement1)

print(statement1+str(data))

print(statement1,"\n")  new line

print( "%.2f"  % 123.4567891)

.................................................................................................................

WAP to print salary, date of birth
, age and weight using a single print statement using String concatenation?


salary = float(input("enter salary"))
dob = input("enter dob")
age= int(input("enter age"))
weight = float(input("enter weight"))

print(str(salary)+dob+str(age)+str(weight))


Assignments:- 


WAP to enter the date of birth and calculate age?

WAP to calculate electricity bill where unit price and total consumption will be entered by the user?

WAP to calculate the area of a circle?

WAP to print compete biodata using String concatenation?











3 Comments

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  1. r=float(input("enter radius of circlr"))
    a(r*x*22/7)
    print(area of circle)
    print(a)

    ReplyDelete
  2. WAP OF AREA OF TRIANGLE

    h=(input("enter height of triangle"))
    b=(input("enter base of triangle"))
    a=(b*h)/2
    print(input("area of triangle")
    print(a)

    ReplyDelete
  3. name=(input("enter your name "))
    print(name)
    mobileno=(input("enter your mobile no "))
    print(mobileno)
    age=(input("entre age"))
    print(age)
    fathername=(input("enter your father name"))
    print(fathername)

    ReplyDelete

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