Added Palindrome Checker, GCD Calculator, Prime Checker

gcdCalculator.py

@@ -0,0 +1,19 @@
+def gcd(a, b):
+    while b:
+        a, b = b, a % b
+    return a
+
+def main():
+    try:
+        num1 = int(input("Enter the first positive integer: "))
+        num2 = int(input("Enter the second positive integer: "))
+        if num1 <= 0 or num2 <= 0:
+            print("Please enter positive integers.")
+        else:
+            result = gcd(num1, num2)
+            print(f"The greatest common divisor of {num1} and {num2} is {result}.")
+    except ValueError:
+        print("Invalid input. Please enter positive integers.")
+
+if __name__ == "__main__":
+    main()

palindromeChecker.py

@@ -0,0 +1,17 @@
+def is_palindrome(text):
+    # Remove spaces and convert to lowercase for case-insensitive comparison
+    text = text.replace(" ", "").lower()
+
+    # Compare the original text with its reverse
+    return text == text[::-1]
+
+def main():
+    text = input("Enter a word or phrase to check for palindrome: ")
+
+    if is_palindrome(text):
+        print(f"'{text}' is a palindrome!")
+    else:
+        print(f"'{text}' is not a palindrome.")
+
+if __name__ == "__main__":
+    main()

primeNumberChecker.py

@@ -0,0 +1,26 @@
+def is_prime(number):
+    if number <= 1:
+        return False
+    if number <= 3:
+        return True
+    if number % 2 == 0 or number % 3 == 0:
+        return False
+
+    i = 5
+    while i * i <= number:
+        if number % i == 0 or number % (i + 2) == 0:
+            return False
+        i += 6
+
+    return True
+
+def main():
+    number = int(input("Enter a number to check for prime: "))
+
+    if is_prime(number):
+        print(f"{number} is a prime number!")
+    else:
+        print(f"{number} is not a prime number.")
+
+if __name__ == "__main__":
+    main()