Program to find whether number entered by user is positive or negative

This blog includes a program to find whether the number entered by user is positive or negative

Asking user to input number

num = int(input('Enter any number: '))

Using condition statement to check number entered by user is positive or negative. Number is positive if entered number is greater than or equal to 0. Number is negative if number is less than 0.

if num >= 0:
    print('Entered number %d is Positive'%num)
else:
    print('Entered number %d is Negative'%num)

Output

Enter any number: 9
Entered number 9 is Positive

Output

Enter any number: 0
Entered number 0 is Positive

Output

Enter any number: -7
Entered number -7 is Negative

Output (Alphanumeric characters)

Enter any number: ;m;m3
Incorrect number

try:
    num = int(input('Enter any number: '))
    if num >= 0:
        print('Entered number %d is Positive'%num)
    else:
        print('Entered number %d is Negative'%num)
except ValueError:
    print('Incorrect number')

There is a use of try and except. This is use to display message ‘Incorrect number’ in case user enter alphanumeric characters.