Day 5 : Python Program to Check Whether a Number is Positive or Negative

 

num = float(input("Enter a number: "))  

if num > 0: 

    print("Positive number")

elif num < 0:  

    print("Negative number")

else:  

    print("Zero")

Code Explanation

Input

num = float(input("Enter a number: "))

input(): Prompts the user to enter a number as a string.

float(): Converts the input string into a floating-point number (to handle both integers and decimal numbers).

For example, entering 5 converts to 5.0, and -3.7 remains -3.7.

Conditional Statements

The program checks the value of the input number using if-elif-else.

If the number is greater than 0:

if num > 0:

    print("Positive number")

If the number is greater than 0, it is classified as a positive number.

Example: For num = 5, it prints:

Positive number

If the number is less than 0:

elif num < 0:

    print("Negative number")

If the number is less than 0, it is classified as a negative number.

Example: For num = -3.7, it prints:

Negative number

If the number is neither greater than nor less than 0:

else:

    print("Zero")

If the number is exactly 0, it falls into the else case and prints:

Zero

#source code --> clcoding.com