1. Check Whether a Number is Positive
number = int(input("Enter a number: "))
if number > 0:
print("Positive Number")
Output:
Enter a number: 10
Positive Number
Logic:
number > 0 → True
2. Check Whether a Number is Positive or Negative
number = int(input("Enter a number: "))
if number >= 0:
print("Positive Number")
else:
print("Negative Number")
Output:
Enter a number: -5
Negative Number
3. Check Even or Odd Number
number = int(input("Enter a number: "))
if number % 2 == 0:
print("Even Number")
else:
print("Odd Number")
Output:
Enter a number: 12
Even Number
Logic:
यदि number को 2 से divide करने पर remainder 0 आता है, तो number Even है।
4. Check Whether a Person is Eligible to Vote
age = int(input("Enter your age: "))
if age >= 18:
print("Eligible to Vote")
else:
print("Not Eligible to Vote")
Output:
Enter your age: 20
Eligible to Vote'
5. Find the Greater Number Between Two Numbers
a = int(input("Enter first number: "))
b = int(input("Enter second number: "))
if a > b:
print("First number is greater")
else:
print("Second number is greater")
Example Output:
Enter first number: 25
Enter second number: 15
First number is greater
6. Check Pass or Fail
marks = int(input("Enter marks: "))
if marks >= 40:
print("Pass")
else:
print("Fail")
Output:
Enter marks: 65
Pass
7. Find Grade Using if...elif...else
marks = int(input("Enter marks: "))
if marks >= 80:
print("Grade A")
elif marks >= 60:
print("Grade B")
elif marks >= 40:
print("Grade C")
else:
print("Fail")
Example Output:
Enter marks: 75
Grade B
8. Check Whether a Number is Zero
number = int(input("Enter a number: "))
if number > 0:
print("Positive")
elif number < 0:
print("Negative")
else:
print("Zero")
Output:
Enter a number: 0
Zero
9. Find the Largest of Three Numbers
a = int(input("Enter first number: "))
b = int(input("Enter second number: "))
c = int(input("Enter third number: "))
if a >= b and a >= c:
print("A is largest")
elif b >= a and b >= c:
print("B is largest")
else:
print("C is largest")
Example Output:
Enter first number: 25
Enter second number: 40
Enter third number: 30
B is largest
10. Check Eligibility for Admission
marks = int(input("Enter marks: "))
age = int(input("Enter age: "))
if marks >= 60:
if age >= 18:
print("Eligible for Admission")
else:
print("Age is less than 18")
else:
print("Marks are less than 60")
Output:
Enter marks: 75
Enter age: 20
Eligible for Admission
यह Nested if का उदाहरण है।
11. Check Divisibility by 5
number = int(input("Enter a number: "))
if number % 5 == 0:
print("Number is divisible by 5")
else:
print("Number is not divisible by 5")
Output:
Enter a number: 25
Number is divisible by 5
12. Check Leap Year
year = int(input("Enter year: "))
if year % 400 == 0:
print("Leap Year")
elif year % 100 == 0:
print("Not a Leap Year")
elif year % 4 == 0:
print("Leap Year")
else:
print("Not a Leap Year")
Example Output:
Enter year: 2024
Leap Year
13. Simple Calculator
a = float(input("Enter first number: "))
b = float(input("Enter second number: "))
operator = input("Enter operator (+, -, *, /): ")
if operator == "+":
print(a + b)
elif operator == "-":
print(a - b)
elif operator == "*":
print(a * b)
elif operator == "/":
print(a / b)
else:
print("Invalid Operator")
Example Output:
Enter first number: 20
Enter second number: 5
Enter operator (+, -, *, /): *
100