Python Program Collection 03

 

 Python Program Collection 03

1.     Check if a number is positive or negative

 

num = float(input("Enter a number: "))

if num > 0:

    print("The number is positive.")

elif num < 0:

    print("The number is negative.")

else:

    print("The number is zero.")

 

2.     Check if a number is positive, negative, or zero

 

num = float(input("Enter a number: "))

if num > 0:

    print(f"{num} is positive.")

elif num < 0:

    print(f"{num} is negative.")

else:

    print(f"{num} is zero.")

 

3.     Check if a number is positive, negative, or zero using ternary operator

 

num = float(input("Enter a number: "))

print("Positive" if num > 0 else "Negative" if num < 0 else "Zero")

 

 

 

4.     Check if a number is even or odd

 

num = int(input("Enter a number: "))

if num % 2 == 0:

    print(f"{num} is even.")

else:

    print(f"{num} is odd.")

 

5.     Find the largest of two numbers

num1 = float(input("Enter first number: "))

num2 = float(input("Enter second number: "))

if num1 > num2:

    print(f"The largest number is {num1}")

elif num2 > num1:

    print(f"The largest number is {num2}")

else:

    print("Both numbers are equal.")

 

6.     Determine the minimum of three numbers

 

num1 = float(input("Enter the first number: "))

num2 = float(input("Enter the second number: "))

num3 = float(input("Enter the third number: "))

if num1 <= num2 and num1 <= num3:

    print(f"The smallest number is {num1}.")

elif num2 <= num1 and num2 <= num3:

    print(f"The smallest number is {num2}.")

else:

    print(f"The smallest number is {num3}.")

 

 

7.     Check if a year is a leap year

 

year = int(input("Enter a year: "))

if (year % 4 == 0 and year % 100 != 0) or (year % 400 == 0):

    print(f"{year} is a leap year.")

else:

    print(f"{year} is not a leap year.")

 

8.     Grade Calculation

 

marks = float(input("Enter your marks: "))

if marks >= 90:

    grade = 'A'

elif marks >= 80:

    grade = 'B'

elif marks >= 70:

    grade = 'C'

elif marks >= 60:

    grade = 'D'

else:

    grade = 'F'

print(f"Your grade is {grade}.")

9.     Check if a person is eligible to vote

 

age = int(input("Enter your age: "))

if age >= 18:

    print("You are eligible to vote.")

else:

    print("You are not eligible to vote.")

 

10.  Check if a number is divisible by 5 and 11

 

num = int(input("Enter a number: "))

if num % 5 == 0 and num % 11 == 0:

    print(f"{num} is divisible by both 5 and 11.")

else:

    print(f"{num} is not divisible by both 5 and 11.")

 

11.  Check if a number is divisible by both 3 and 9

 

num = int(input("Enter a number: "))

if num % 3 == 0 and num % 9 == 0:

    print(f"{num} is divisible by both 3 and 9.")

else:

    print(f"{num} is not divisible by both 3 and 9.")

 

12.  Check the type of triangle

 

a = float(input("Enter the first side: "))

b = float(input("Enter the second side: "))

c = float(input("Enter the third side: "))

if a == b == c:

    print("The triangle is equilateral.")

elif a == b or b == c or a == c:

    print("The triangle is isosceles.")

else:

    print("The triangle is scalene.")

 

13.  Check if a number is a multiple of 3 or 7

 

num = int(input("Enter a number: "))

if num % 3 == 0:

    print(f"{num} is a multiple of 3.")

elif num % 7 == 0:

    print(f"{num} is a multiple of 7.")

else:

    print(f"{num} is not a multiple of 3 or 7.")

 

14.  Check if a person can drive based on age

 

age = int(input("Enter your age: "))

if age >= 18:

    print("You are allowed to drive.")

else:

    print("You are not allowed to drive.")

15.  Check if a triangle is valid

 

a = float(input("Enter the first side: "))

b = float(input("Enter the second side: "))

c = float(input("Enter the third side: "))

if a + b > c and a + c > b and b + c > a:

    print("The triangle is valid.")

else:

    print("The triangle is not valid.")

 

16.  Check if a triangle is right-angled

 

a = float(input("Enter the first side: "))

b = float(input("Enter the second side: "))

c = float(input("Enter the third side: "))

if a**2 + b**2 == c**2 or a**2 + c**2 == b**2 or b**2 + c**2 == a**2:

    print("The triangle is right-angled.")

else:

    print("The triangle is not right-angled.")

 

17.  Check if a person is a child, teenager, or adult

 

age = int(input("Enter your age: "))

if age < 12:

    print("You are a child.")

elif 12 <= age < 18:

    print("You are a teenager.")

else:

    print("You are an adult.")

 

18.  Check if a given temperature is freezing, normal, or hot

 

temp = float(input("Enter the temperature in Celsius: "))

if temp <= 0:

    print("The weather is freezing.")

elif temp < 25:

    print("The weather is normal.")

else:

    print("The weather is hot.")

 

19.  Check if a number is a perfect square

 

import math

 

num = int(input("Enter a number: "))

sqrt = math.isqrt(num)

if sqrt * sqrt == num:

    print(f"{num} is a perfect square.")

else:

    print(f"{num} is not a perfect square.")

 

 

 

20.  Check if a number is a cube number

 

num = int(input("Enter a number: "))

cube_root = round(num ** (1/3))

if cube_root ** 3 == num:

    print(f"{num} is a cube number.")

else:

    print(f"{num} is not a cube number.")