Python program: find smallest of three numbers using the function

In this tutorial, we will discuss the concept of the Python program: find smallest of three numbers using the function

In this post, we will learn how to find the smallest number of three numbers using a user-defined function in the Python programming language

In my previous post, I have explained the various approaches to find the smallest number of among three numbers in Python language

However, in this program, we embed the logic of this program in the function.

Here, I have explained how to find the smallest number from the given three numbers and how to embed this logic in the function.

Program 1

Find the greatest of three numbers using if elif statements

This program allows the user to enter three numbers and compare to select the smallest number using if-elif statements

num1=int(input("Enter the first number: "))
num2=int(input("Enter the second number: "))
num3=int(input("Enter the third number: "))

def find_Smallest():  #function definition
    if(num1<=num2) and (num1<=num3):
        Smallest=num1
    elif(num2<=num1) and (num2<=num3):
        Smallest=num2
    else:
        Smallest=num3
    print("Smallest number is", Smallest)
find_Smallest();     #functio call

When the above code is executed, it produces the following results

Enter the first number: 43
Enter the second number: 90
Enter the third number: 56
Smallest number is 43

Program 2

Find the smallest of three numbers using nested if statements

This program allows the user to enter three numbers and compare to select the smallest number using Nested if statements

num1=int(input("Enter the first number: "))
num2=int(input("Enter the second number: "))
num3=int(input("Enter the third number: "))

def find_Smallest():  #function definition
    if(num1<=num2):
      if(num1<=num3):
            Smallest=num1
      else:
          Smallest=num3
    else:
      if (num2<=num3):
        Smallest=num2
      else:
        Smallest=num3

        #display the smallest number
    print("Smallest number is", Smallest)
find_Smallest();     #functio call

When the above code is executed, it produces the following results

Enter the first number: 89
Enter the second number: 12
Enter the third number: 56
Smallest number is 12

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