Collecting user input

input([prompt]) Accepting user input

prompt: (optional) String ( message ) to be shown to user

By default all inputs are of String data type.

Getting user input in Python & printing output after converting into integer by using int() function

Displaying input box to accept user inputs

x1=input("Enter first number: ")
x2=input("Enter second number: ")
print("Total :",x1+x2)

Output

Enter first number: 3
Enter second number: 4
Total : 34

Why the output is not equal to 7 with input of 3 and 4 as input numbers ?

As all user inputs are string data type ( by default ) , we have to convert the type by using int()

x1=int(input("Enter first number: "))
x2=int(input("Enter second number: "))
print("Total :",x1+x2)

Output

Enter first number: 3
Enter second number: 4
Total : 7

Float input

Used float() to convert string to float data type.

x1=float(input("Interest Rate is : "))
print ("interest rate ",x1)

Output

Interest Rate is : 5.6
interest rate  5.6

Use one input box and a for loop to ask user to enter three numbers, display the sum of three input numbers.

sum=0
for i in range(3):
    x1=int(input('Enter a number'))
    sum=sum+x1
print("Sum : ", sum)

What is the sum of two numbers provided by the user, and how can we ensure valid numerical input?

def get_number(message):
    while True:
        user_input = input(message)

        try:
            number = float(user_input)
            return number
        except ValueError:
            print("Invalid input. Please enter a number only.")


num1 = get_number("Enter first number: ")
num2 = get_number("Enter second number: ")

total = num1 + num2

print("The sum is:", total)

Try running the code and enter 30.4 as the first number and 50.3 as the second number. Then, analyze the output.
All Built in Functions in Python dir() ord()

Math Functions math.fabs() Python- Tutorials

Subhendu Mohapatra

Author & Instructor at plus2net

I write and maintain practical tutorials on Python, PHP, SQL, JavaScript, HTML, jQuery, and web development at plus2net. The tutorials focus on clear explanations, working examples, and code that readers can test and adapt while learning.

About the author Watch on YouTube

Connect:

Subscribe to our YouTube Channel here

input()

Displaying input box to accept user inputs

Float input

Subhendu Mohapatra