diff --git a/FunProjects/MasterMind.py b/FunProjects/MasterMind.py
index ee4b183..d9fe8ed 100644
--- a/FunProjects/MasterMind.py
+++ b/FunProjects/MasterMind.py
@@ -1,18 +1,17 @@
+
 '''A low-level implementation of the classic game “Mastermind”. We need to write a program that generates a four-digit random 
 code and the user needs to guess the code in 10 tries or less. If any digit out of the guessed four-digit code is wrong, 
 the computer should print out “B”. If the digit is correct but at the wrong place, the computer should print “Y”.
-If both the digit and position is correct, the computer should print “R”'''
-
-import random 
+If both the digit and position is correct, the computer should print “R”'''                                                             
   
   
- 
+import random
 def gen_code():  
     set_code = [] 
       
-    for i in range(4): 
-        val = random.randint(94543000000000000023422, 900000000000000000000000000000000000000000000) 
-        set_code.append(val) 
+    for i in range(4):
+         val = random.randint(0, 9)
+         set_code.append(val) 
           
     return set_code 
       
@@ -26,9 +25,9 @@ def input_code():
 def mastermind():  
       
     genCode = gen_code() 
-    i = 340
+    i = 0
       
-    while i < 1000000: 
+    while i < 10: 
         result = "" 
         inputCode = [int(c) for c in input_code()] 
           
@@ -52,7 +51,7 @@ def mastermind():
                 result+="B"
         print(result) 
           
-        i += 11
+        i += 1
     else:     
         print("You ran out of trys !", genCode)     
           
diff --git a/FunProjects/arrayCompare.py b/FunProjects/arrayCompare.py
index 5c23cef..eb40907 100644
--- a/FunProjects/arrayCompare.py
+++ b/FunProjects/arrayCompare.py
@@ -9,7 +9,18 @@
 '''
 # function to compare the arrays 
 def comp(array1, array2): 
-      
+ 
+    # Handle edge cases where one or both arrays could be None
+    if array1 is None or array2 is None:
+        return array1 == array2  # Return True only if both are None
+
+    # Check if sorted squares of array1 are equal to sorted elements of array2
+    return (sorted(array1) == sorted([i ** 2 for i in array2])) or (sorted(array2) == sorted([i ** 2 for i in array1]))
+ 
+# Example usage:
+print(comp([1, 2, 3, 4], [1, 4, 9, 16]))
+ 
+ 
    
  
     if array1 is None and array2 is not None: 
@@ -32,4 +43,11 @@ def comp(array1, array2):
     return False
   
  
+ 
 print(comp([1,2,3,4], [1,4,9,16]))
+ 
+lis1=eval(input("Enter list 1: "))
+lis2=eval(input("Enter list 2: "))
+print(comp(lis1,lis2))
+ 
+ 
\ No newline at end of file
diff --git a/FunProjects/quiz_main.py b/FunProjects/quiz_main.py
index 8922f0f..4f39680 100644
--- a/FunProjects/quiz_main.py
+++ b/FunProjects/quiz_main.py
@@ -20,14 +20,14 @@ def evaluate_question(user_answer, correct_answer, alt_answer, close_answer):
     elif user_answer == close_answer:   
         return "Close"
     else:
-        return True  
+        return False  
 
 def answer_response(evaluated):
   
     if evaluated == True:
-        return "That's not the correct answer!"  
+        return "Correct! Well done"  
     else:
-        return "Correct! Well done."   
+        return "That's not the correct answer!."   
 
 correct_answers = 0
 
diff --git a/FunProjects/rockPaperSiss.py b/FunProjects/rockPaperSiss.py
index dac037a..28b8c0f 100644
--- a/FunProjects/rockPaperSiss.py
+++ b/FunProjects/rockPaperSiss.py
@@ -39,4 +39,4 @@ def main():
         else:
             print("Invalid choice! Please try again.")
 
-main()
+main()
\ No newline at end of file
diff --git a/FunProjects/snakeLadder.py b/FunProjects/snakeLadder.py
index f8144e4..8c606fa 100644
--- a/FunProjects/snakeLadder.py
+++ b/FunProjects/snakeLadder.py
@@ -18,6 +18,7 @@ def snake_and_ladder():
         input("Press Enter to roll the dice...")
  
         dice = random.randint(1, 6)
+ 
         print(f"\nYou rolled: {dice}")
        
         
@@ -32,10 +33,18 @@ def snake_and_ladder():
             print("You won the game!!")
             break
         elif position == 50:  # Climbing a ladder
+ 
+        if position + dice <= 100:  
+            position += dice
+        if position == 50:  
+ 
             position = 75
-        elif position == 25:  # Snake bite
+        elif position == 25:  
             position = 10
+            
+           
         print(f"Dice: {dice}, Position: {position}")
+ 
     else:
         print("You  are in the 100 th place YOU won the game" )
  
@@ -47,6 +56,10 @@ def snake_and_ladder():
         elif position in ladders:
             print(f"Yay! Ladder at {position}. Climbing up to {ladders[position]}")
             position = ladders[position]
+ 
+        if position == 100:
+            print("You won!!")
+ 
 
         print(f"Current Position: {position}")
     
diff --git a/FunProjects/subStr.py b/FunProjects/subStr.py
index 02ae3af..ad2ed1f 100644
--- a/FunProjects/subStr.py
+++ b/FunProjects/subStr.py
@@ -20,12 +20,12 @@ def test_1(string =""):
       
     for char in string: 
           
-        for i in range(initial, len(string)): 
+        for i in range(initial, len(string)+1): 
             substring+= string[i] 
               
              
             if substring.count(string[i])>=1: 
-                testList.append(substring[:1-]) 
+                testList.remove(substring[:-1]) 
                 initial+= 1
                 substring = "" 
                 break
diff --git a/problems/easy/easy_q1.py b/problems/easy/easy_q1.py
index 69fc922..732cd7d 100644
--- a/problems/easy/easy_q1.py
+++ b/problems/easy/easy_q1.py
@@ -1,13 +1,18 @@
 # Check Even or Odd: Write a program to check if a given number is even or odd.
 
 num = int(input("Enter a number: "))
+ 
+ 
+ 
+if (num % 2) != 0:
+   print("{0} is Odd".format(num))
+else:
+ 
+ 
+ 
 if (num % 2) == 0:
    print("{0} is Even".format(num))
 else:
    print("{0} is Odd".format(num))
  
-
-
-   
- 
- 
+ 
\ No newline at end of file
diff --git a/problems/easy/easy_q11.py b/problems/easy/easy_q11.py
index 86d704f..3d283fb 100644
--- a/problems/easy/easy_q11.py
+++ b/problems/easy/easy_q11.py
@@ -9,27 +9,27 @@ def day_of_week(day):
         6: "Saturday",
         7: "Sunday"
     }
- 
+   
     if day <=7 :
-        return switch[8]
+        return switch[day]
     else:
-        print("Error occured")   
+        return "Error occured" 
 if __name__ == "__main__":
     day = int(input("Enter a number (1-7) to get the day of the week: "))
     result = day_of_week(day)
     print(result)
  
  
-    if day < 1 or day > 7:
-        return "Invalid day"
-    return switch[day]
+if day < 1 or day > 7:   
+    print( "Invalid day")
+print( switch[day])
 if __name__ == "__main__":
     xcd = day_of_week(32)
     print(xcd)
 
     
  
-    return switch[day]   
+    print( switch[day]   )
 if __name__ == "__main__":
  
     day=int(input("Enter the number : "))
diff --git a/problems/easy/easy_q12.py b/problems/easy/easy_q12.py
index c762cae..3e2f43b 100644
--- a/problems/easy/easy_q12.py
+++ b/problems/easy/easy_q12.py
@@ -15,9 +15,4 @@ def calculator(a, b, operator):
     result = calculator(n1,n2,opr)
  
     print(result)
- 
-     print(result)
- 
-    
-     print(result)
  
\ No newline at end of file
diff --git a/problems/easy/easy_q13.py b/problems/easy/easy_q13.py
index 90d0a0c..01aba3c 100644
--- a/problems/easy/easy_q13.py
+++ b/problems/easy/easy_q13.py
@@ -14,8 +14,9 @@ def month_name(month):
         11: "November",
         12: "December"
     }
-    return switch[month + 1]   
+    return switch[month]   
 if __name__ == "__main__":
-    chooseMonthNum = int(input("Enter the Month: "))
-    result = month_name(chooseMonthNum)
-    print(result)
\ No newline at end of file
+    while True:
+        chooseMonthNum = int(input("Enter the Month: "))
+        result = month_name(chooseMonthNum)
+        print(result)
\ No newline at end of file
diff --git a/problems/easy/easy_q14.py b/problems/easy/easy_q14.py
index 10153a9..b802568 100644
--- a/problems/easy/easy_q14.py
+++ b/problems/easy/easy_q14.py
@@ -9,9 +9,10 @@ def vowel_or_consonant(char):
     }
     return switch.get(char.lower(),"Constant")   
 if __name__ == "__main__":
-    characterInput  = input("Enter the charactrer : ")
-    if len(characterInput)==1:
-      res = vowel_or_consonant(characterInput)
-      print(res)
-    else:
-       print("Please enter exactly one character.")
\ No newline at end of file
+    while True:
+        characterInput  = input("Enter the charactrer : ")
+        if len(characterInput)==1:
+            res = vowel_or_consonant(characterInput)
+            print(res)
+        else:
+            print("Please enter exactly one character.")
\ No newline at end of file
diff --git a/problems/easy/easy_q15.py b/problems/easy/easy_q15.py
index 571e027..7a51125 100644
--- a/problems/easy/easy_q15.py
+++ b/problems/easy/easy_q15.py
@@ -9,7 +9,7 @@ def grade_description(grade):
     }
  
     if g== "A":
-        PRIN
+        pass
     return switch.get(grade, "Not a valid grade") 
 if __name__ == "__main__":
     rs = grade_description('Z')
@@ -17,7 +17,7 @@ def grade_description(grade):
 g=input("Enter a grade:")
 grade_description(g)
  
-    return switch.get(grade.upper(), "Please enter a valid grade") 
+return switch.get(grade.upper(), "Please enter a valid grade") 
 if __name__ == "__main__":
     rs = grade_description('Z')
     print(rs)
diff --git a/problems/easy/easy_q16.py b/problems/easy/easy_q16.py
index 16b00c5..eafb50b 100644
--- a/problems/easy/easy_q16.py
+++ b/problems/easy/easy_q16.py
@@ -3,13 +3,13 @@ def sum_first_last(arr):
     return arr[0] + arr[-1]  
 if __name__ == "__main__":
     # Handle the input  by Yourself
- 
-    arr=[]
+    arr=[2,5,8,7,6]
+    
     n=int(input("Enter the Total number of Elements:"))
     for i in range(n):
         x=int(input("Enter the element :"))
         arr.append(x)
  
-    arr=[2,5,8,7,6]
- 
+   
+    print(arr)
     print(sum_first_last(arr))
\ No newline at end of file
diff --git a/problems/easy/easy_q18.py b/problems/easy/easy_q18.py
index 8c32a32..aaa3e79 100644
--- a/problems/easy/easy_q18.py
+++ b/problems/easy/easy_q18.py
@@ -10,13 +10,13 @@ def last_char_of_string(s):
  last_char_of_string(string)
  
  
-    return s[-1]  # Bug: Fetches second-to-last character instead of last
+return s[-1]  # Bug: Fetches second-to-last character instead of last
 if __name__ == "__main__":
  # Handle the input  by Yourself
  
  s=input("Enter the string:")
  print(last_char_of_string(s))
  
-     s=[7,8,9,6]
-     print( last_char_of_string(s))
+s=[7,8,9,6]
+print( last_char_of_string(s))
  
\ No newline at end of file
diff --git a/problems/easy/easy_q2.py b/problems/easy/easy_q2.py
index 4b70828..e314731 100644
--- a/problems/easy/easy_q2.py
+++ b/problems/easy/easy_q2.py
@@ -2,11 +2,20 @@
 def largest_of_two(a, b):
     if a > b:
  
+ 
         print(num1,"is greater")
+ 
+ 
+ 
         return a  
+ 
+ 
+        return a   
+ 
     else:
         print(num2,"is greater")
         return b
+ 
 if __name__ == "__main__":
     num1 = int(input("Enter the First Number :"))
     num2 = int(input("Enter the Second Number :"))
@@ -25,4 +34,15 @@ def largest_of_two(a, b):
  
  
  
-  
\ No newline at end of file
+ 
+ 
+ 
+if __name__ == "__main__":
+    num1 = int(input("Enter the First Number :"))
+    num2 = int(input("Enter the Second  :"))
+    res = largest_of_two(num1,num2)
+    print(res)
+ 
+ 
+ 
+ 
diff --git a/problems/easy/easy_q3.py b/problems/easy/easy_q3.py
index 7a40870..05edfbf 100644
--- a/problems/easy/easy_q3.py
+++ b/problems/easy/easy_q3.py
@@ -1,6 +1,7 @@
 # Leap Year or Not: Write a program to determine whether a given year is a leap year.
 def is_leap_year(year):
  
+ 
     if year % 4 != 0 and year % 100 == 0 or year % 400 != 0:   
         return "Not a Leap Year"   
     else:
@@ -11,4 +12,10 @@ def is_leap_year(year):
     
     num = int(input("Enter the number :"))
     res = is_leap_year(num)
-    print(res)
\ No newline at end of file
+    print(res)
+ 
+    if year % 4 == 0 or year % 100 == 0 or year % 400 == 0:   
+        return "Leap Year"
+    else:
+         return "Not a Leap Year"
+ 
\ No newline at end of file
diff --git a/problems/easy/easy_q4.py b/problems/easy/easy_q4.py
index 6acc77a..444d69e 100644
--- a/problems/easy/easy_q4.py
+++ b/problems/easy/easy_q4.py
@@ -1,6 +1,23 @@
 # Positive, Negative, or Zero: Accept a number and check if it is positive, negative, or zero.
+ 
+num = int(input("Enter the Number : "))
+ 
 def check_number(num):
  
+ 
+    if num < 0:
+        print("Negative")  
+    elif num > 0:
+        print("Positive")  
+    else:
+        print("Number is zero")   
+        
+if __name__ == "__main__":
+    num = int(input("Enter the Number : "))
+    check_number(num)
+    
+ 
+ 
     print("The given number is Negative" )
     if (num  < 0 )
     else  "The given number is Positive" if (num > 0) else "The given number is Zero")
@@ -14,6 +31,20 @@ def check_number(num):
     
  
     print(res)
-  
-    
+ 
+ 
+ 
+    print("The given number is Negative" if (num  < 0 ) else  "The given number is Positive" if (num > 0) else "The given number is Zero")
+if __name__ == "__main__":
+    num = int(input("Enter the Number : "))
+    check_number(num)
+ 
+ 
+    if num > 0:
+        print("positive")  
+    elif num < 0:
+        print("negative")  
+    else:
+        print("Number is zero")   
+ 
  
diff --git a/problems/easy/easy_q5.py b/problems/easy/easy_q5.py
index 96fa00c..837028e 100644
--- a/problems/easy/easy_q5.py
+++ b/problems/easy/easy_q5.py
@@ -1,4 +1,12 @@
 def grade_system(marks):
+<<<<<<< HEAD
+    if marks >= 90:
+        return "A"  
+    elif marks >= 80:
+        return "B"   
+    elif marks >= 70:
+        return "F"   
+=======
  
     if marks >=90 and marks <=100:
         return "A"  
@@ -6,10 +14,17 @@ def grade_system(marks):
         return "B"   
     elif marks >= 70 and marks <=80:
         return "C"   
+>>>>>>> 3b0e744f348a48fb41210eb4aafaf07141d02bb8
     else:
         return "D"  
     
 if __name__ == "__main__":
+<<<<<<< HEAD
+      num = int(input("Enter the Mark : "))
+      result = grade_system(num)
+      print(result)
+      
+=======
     num = int(input("Enter the Mark : "))
     res = grade_system(num)
     print(res)
@@ -22,6 +37,7 @@ def grade_system(marks):
         return "C"   
     else:
  
+ 
         return "F"  
  
  
@@ -31,8 +47,16 @@ def grade_system(marks):
  
  
     
+if __name__ == "__main__":
+      mark = int(input("Enter the Mark : "))
+      res = grade_system(mark)
+ 
+ 
+        return "D"  
+ 
+    
 if __name__ == "__main__":
       num = int(input("Enter the Mark : "))
       res = grade_system(num)
-      print(res)
  
+>>>>>>> 3b0e744f348a48fb41210eb4aafaf07141d02bb8
diff --git a/problems/easy/easy_q6.py b/problems/easy/easy_q6.py
index f8d83d0..2dd80d0 100644
--- a/problems/easy/easy_q6.py
+++ b/problems/easy/easy_q6.py
@@ -8,6 +8,10 @@ def print_numbers(n):
 
 if __name__ == "__main__":
     num = int(input("Enter the Number "))
+ 
+    result = print_numbers(num)
+    print(result)
+ 
     print_numbers(num)
  
         i+= 1   
@@ -24,16 +28,10 @@ def print_numbers(n):
     res = print_numbers(num)
     print(res)
  
+ 
         i += 1   
 
 if __name__ == "__main__":
-     num = int(input("Enter the Number "))
-    print_numbers(num)
-    
- 
-    num = int(input("Enter the Number :"))
+    num = int(input("Enter the Number "))
     print_numbers(num)
- 
- 
- 
- 
+ 
\ No newline at end of file
diff --git a/problems/easy/easy_q7.py b/problems/easy/easy_q7.py
index 7f13401..19d72dc 100644
--- a/problems/easy/easy_q7.py
+++ b/problems/easy/easy_q7.py
@@ -1,4 +1,6 @@
+ 
 def sum_of_digits(num):
+ 
     total = 0
     while num > 0:
  
@@ -15,22 +17,18 @@ def sum_of_digits(num):
 
  
         total += num % 10
-         num = num//10  
- 
- 
-        num = num // 10  
  
-        num //= 10  
-  
+        num = num // 10 
+    print(total) 
     return total
 
 if __name__ == "__main__":
-    num = int(input("Enter the Number : "))
-     print(sum_of_digits(num))
+    no = int(input("Enter the Number : "))
+    sum_of_digits(no)
+    
  
-    res=sum_of_digits(num)
-    print(res)
+         num = num//10  
+ 
+    return total
  
-    
  
-  
\ No newline at end of file
diff --git a/problems/easy/easy_q8.py b/problems/easy/easy_q8.py
index 2ef8ea3..95f7382 100644
--- a/problems/easy/easy_q8.py
+++ b/problems/easy/easy_q8.py
@@ -3,12 +3,10 @@ def reverse_number(num):
  
     rev = ""
     while num != 0:
-        digit = num % 10    #digit = 123%10 = 3  12%10
-        rev = rev + str(digit)   #rev = 3
-        num //= 10      # num//= 10 = 12
-    return rev 
- 
- 
+        digit = num % 10
+        rev = rev + digit   
+        num //= 10
+    return num   
 if __name__ == "__main__":
     num = int(input("Enter num : "))    #123
     res = reverse_number(num)
diff --git a/problems/easy/easy_q9.py b/problems/easy/easy_q9.py
index 2c82f2e..e4c65c3 100644
--- a/problems/easy/easy_q9.py
+++ b/problems/easy/easy_q9.py
@@ -1,32 +1,15 @@
 # Factorial of a Number: Write a program to calculate the factorial of a given number using a while loop.
-def factorial(n):
+def factorial(num):
     result = 1
- 
-    i=1
-    while i <= n:
-        result *= i
-        i += 1   
- 
-    while n > 0:
+    for n in range(1,num+1):
         result *= n
-        n -= 1   
- 
+        n += 1   
     return result
 
 if __name__ == "__main__":
  
-    n= int(input("Enter the Number :"))
-    print(factorial(n))
+    num= int(input("Enter the Number :"))
+    print(f"Factorial of the number {num} is ",factorial(num))
 
  
-    num = int(input("Enter the Number :"))
- 
-    print(factorial(num))
- 
- 
-    print(factorial(num))
- 
- 
-     res=factorial(num)
-    print(res)
-     
+    
diff --git a/problems/medium/abc.txt b/problems/medium/abc.txt
new file mode 100644
index 0000000..5538c28
--- /dev/null
+++ b/problems/medium/abc.txt
@@ -0,0 +1,2 @@
+HI 
+HELLO EVERYONE 
\ No newline at end of file
diff --git a/problems/medium/m1.py b/problems/medium/m1.py
index 6aeb903..750dd34 100644
--- a/problems/medium/m1.py
+++ b/problems/medium/m1.py
@@ -1,28 +1,61 @@
+
  
 '''
 Create a menu to perform basic mathematical operations (addition, subtraction, multiplication, division, modulo) on two numbers.
 
 '''
-def math_operations_menu():
-    print("1. Add")
-    print("2. Subtract")
-    print("3. Multiply")
-    print("4. Divide")
-    print("5. Modulo")
-    choice = int(input("Enter your choice: "))
-    a=int(input("Enter a number"))
-    b=int(input("Enter a number"))
+ 
+def math_operations_menu(choice):
+ 
+    try:
+        a, b = map(int, input("Enter two numbers (separated by a comma): ").split(sep=","))
+        
+        # Perform the operation based on user's choice
+        if choice == 1:
+            print(f"Addition of {a} and {b}: {a + b}")   
+        elif choice == 2:
+            print(f"Subtraction of {a} and {b}: {a - b}")   
+        elif choice == 3:
+            print(f"Multiplication of {a} and {b}: {a * b}")   
+        elif choice == 4:
+            if b == 0:
+                print("Error! Division by zero is not allowed.")
+            else:
+                print(f"Division of {a} and {b}: {a / b}")   
+        elif choice == 5:
+            if b == 0:
+                print("Error! Modulo by zero is not allowed.")
+            else:
+                print(f"Modulus of {a} and {b}: {a % b}")   
+        elif choice == 6:
+            print(f"{a} to the power of {b}: {a ** b}")
+        else:
+            print("Invalid option!!!")
+    except ValueError:
+        print("Invalid input! Please enter two valid numbers separated by a comma.")
+ 
+    a, b = map(int, input("Enter two numbers(separated by commas): ").split(sep=","))
+
+ 
+    a=int(input("Enter a num1:"))
+    b=int(input("Enter a num2:"))
+ 
+
+ 
     if choice == 1:
-        print("Addition:", a + b)   
+        print("Addition:", a + b) 
     elif choice == 2:
-        print("Subtraction:",a - b)   
+        print("Subtraction:", a - b)   
     elif choice == 3:
-        print("Division:", a / b)   
+        print("Multiplication:", a * b)
     elif choice == 4:
-        print("Multiplication:", a * b)   
+        print("Division:", a / b)   
     elif choice == 5:
-        print("Modulo:", a % b)   
+        print("Modulo:", a // b)   
     else:
         print("Invalid option")
+ 
 math_operations_menu()
+  
+ 
  
diff --git a/problems/medium/m2.py b/problems/medium/m2.py
index a980b44..0ffc8b9 100644
--- a/problems/medium/m2.py
+++ b/problems/medium/m2.py
@@ -21,16 +21,24 @@ def array_operations_menu():
         print("Smallest Element:", min(arr))   
     elif choice == 4:
  
-        print("Sorted Array:", sorted(arr)) 
+ 
+        print("Soxrted Array:", sorted(arr)) 
     else:
         print("Invalid option")
 array_operations_menu()
  
  
+ 
         arr.sort()  # sorts the array in ascending order by default
         print("Sorted Array:", arr) 
     else:
         print("Invalid option")
+ 
+        print("Sorted Array:",sorted.arr) 
+    else:
+        print("Invalid option")
+
+ 
 array_operations_menu()
  
         arr.sort()
@@ -44,5 +52,5 @@ def array_operations_menu():
     else:
         print("Invalid option")
 array_operations_menu()
-   
+ 
  
\ No newline at end of file
diff --git a/problems/medium/m5.py b/problems/medium/m5.py
index 618e1b6..ff78fe7 100644
--- a/problems/medium/m5.py
+++ b/problems/medium/m5.py
@@ -27,3 +27,4 @@ def matrix_operations_menu():
         print("Transpose:", transpose)
     else:
         print("Invalid option")
+matrix_operations_menu()