1. Check if a Number is Positive, Negative, or Zero:
num = float(input("Enter a number: "))
if num > 0:
print("Positive number")
elif num < 0:
print("Negative number")
else:
print("Zero")
2. Generate a List of Prime Numbers within a Range:
def generate_primes(start, end):
primes = []
for num in range(start, end + 1):
if num > 1:
for i in range(2, num):
if num % i == 0:
break
else:
primes.append(num)
return primes
start_range = int(input("Enter the starting range: "))
end_range = int(input("Enter the ending range: "))
print("Prime numbers:", generate_primes(start_range, end_range))
3. Calculate the Area and Perimeter of a Rectangle:
length = float(input("Enter the length of the rectangle: "))
width = float(input("Enter the width of the rectangle: "))
area = length * width
perimeter = 2 * (length + width)
print(f"Area: {area}, Perimeter: {perimeter}")
4. Find the GCD of Two Numbers:
def compute_gcd(x, y):
while y:
x, y = y, x % y
return x
num1 = int(input("Enter first number: "))
num2 = int(input("Enter second number: "))
print("GCD:", compute_gcd(num1, num2))
5. Check if a Year is a Leap Year or Not Using Functions:
def is_leap_year(year):
if year % 4 == 0:
if year % 100 == 0:
if year % 400 == 0:
return True
else:
return False
else:
return True
else:
return False
year = int(input("Enter a year: "))
if is_leap_year(year):
print("Leap year")
else:
print("Not a leap year")
6. Print the Sum of Natural Numbers up to a Given Number:
n = int(input("Enter a number: "))
sum = 0
for i in range(1, n + 1):
sum += i
print("Sum of natural numbers:", sum)
7. Reverse a String:
string = input("Enter a string: ")
reversed_string = string[::-1]
print("Reversed string:", reversed_string)
8. Check if a Number is a Perfect Number:
def is_perfect_number(n):
sum = 0
for i in range(1, n):
if n % i == 0:
sum += i
return sum == n
number = int(input("Enter a number: "))
if is_perfect_number(number):
print("Perfect number")
else:
print("Not a perfect number")
9. Count the Number of Words in a String:
string = input("Enter a string: ")
word_count = len(string.split())
print("Number of words:", word_count)
10. Concatenate Two Strings:
string1 = input("Enter the first string: ")
string2 = input("Enter the second string: ")
concatenated_string = string1 + string2
print("Concatenated string:", concatenated_string)
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