Program to check if a number is Positive, Negative, Odd, Even, Zero
Prerequisite : Loops in Python
To check whether a number is positive, negative, odd, even or zero. This problem is solved using if…elif…else and nested if…else statement.
Approach :
- A number is positive if it is greater than zero. We check this in the expression of if.
- If it is False, the number will either be zero or negative.
- This is also tested in subsequent expression.
- In case of odd and even A number is even if it is perfectly divisible by 2.
- When the number is divided by 2, we use the remainder operator % to compute the remainder.
- If the remainder is not zero, the number is odd.
Examples:
Input : 10 Output : Positive number 10 is Even
Input : 0 Output : 0 is Even
# Python Code to check if a number is# Positive, Negative, Odd, Even, Zero # Using if...elif...elsenum = 10if num > 0: print("Positive number")elif num == 0: print("Zero")else: print("Negative number") # Checking for odd and evenif (num % 2) == 0: print("{0} is Even".format(num))else: print("{0} is Odd".format(num)) |
Output: Positive number 10 is Even
# Python Code to check if a number is# Positive, Negative, Odd, Even, Zero# Using Nested ifnum = 20if num >= 0: if num == 0: print("Zero") else: print("Positive number")else: print("Negative number") # Cchecking for odd and evenif (num % 2) == 0: print("{0} is Even".format(num))else: print("{0} is Odd".format(num)) |
Output: Positive number 20 is Even
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