In this program, you will learn to check whether a number entered by the user is positive, negative or zero. This problem is solved using if…elif…else and nested if…else statement.
Python Program to Check if a Number is Positive, Negative or Zero
Source code: if/elif/else
num = float(input("Enter a number: "))
if num > 0:
print("Positive number")
elif num == 0:
print("Zero")
else:
print("Negative number")
Source Code: 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 1:
Enter a number: 2
Positive number
Output 2:
Enter a number: 0
Zero