Python Program to Check if a Number is Positive, Negative or 0

In this example, you will learn to check whether the user entered Number is Positive, Negative or 0

This Program to find Number is Positive, Negative or 0 can be solved using if…elif…else and nested if…else statement.

To understand this example, you should have knowledge of following Python programming topics:

Python if…else Statement
Python Input, Output and Import

Program to Check if a Number is Positive, Negative or 0 using if…elif…else

num = float(input("Enter a number: "))
if num > 0:
   print("Positive number")
elif num == 0:
   print("Zero")
else:
   print("Negative number")

Output

Enter a number: 2
Positive number

Python Program to Check if a Number is Positive, Negative or 0 using if…elif…else

Here, we have used the if...elif...else statement. We can do the same thing using nested if statements as follows.

Program to Check if a Number is Positive, Negative or 0 using Using Nested if

num = float(input("Enter a number: "))
if num >= 0:
   if num == 0:
       print("Zero")
   else:
       print("Positive number")
else:
   print("Negative number")

Output

Enter a number: 2
Positive number

Python Program to Check if a Number is Positive, Negative or 0 using Using Nested if

If you notice the output of both the Programs is the same, so we can use any method to Check if a Number is Positive, Negative or zero.

Ask your questions and clarify your doubts on the Program to Check if a Number is Positive, Negative or zero by commenting. Python Documentation

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