diff --git a/Buggggggs.py b/Buggggggs.py
index f02d131..a69c289 100644
--- a/Buggggggs.py
+++ b/Buggggggs.py
@@ -1,10 +1,10 @@
 # Fibbonacci sequence calculation
 a, b, n = 0, 1, 10
 fibonacci = []
-for i in range(n) 
+for i in range(n):
     fibonacci.append(a)
     a, b = b, a + b
-pritn(f"Fibbonacci sequence of {n} numbers: {fibonacci}")  
+print(f"Fibbonacci sequence of {n} numbers: {fibonacci}")  
 
 # Find minimum and maximum in a list
 numbers = [3, 5, 1, 10, 2, 7, 6, 4, 8, 9]
@@ -12,19 +12,22 @@
 for number in numbers:
     if number < min_value:
         min_value = number
-    elif number != max_value:
+    elif number > max_value:
         max_value = number
-print(f"Minimum value: {max_value}")
-print(f"Maximum value: {min_value}")
+print(f"Minimum value: {min_value}")
+print(f"Maximum value: {max_value}")
 
 # Basic arithmetic calculations
 x = 10
 y = 0
 sum = x + y
 difference = x - y
+quotient=0
 product = x * y
-quotient = x / y
-
+if y==0:
+    print("quotient invalid")
+else:
+    quotient=x/y
 print(f"Sum: {sum}, Difference: {difference}, Product: {product}, Quotient: {quotient}")
 
 # Prime number check
@@ -40,9 +43,9 @@
     print(f"{num} is not a prime number")
 
 original_string = "Hello, World!"
-reversed_string = ""
-for i in range(len(original_string), 0, -1):
-    reversed_string += original_string[i]
+reversed_string =""
+for i in original_string:
+    reversed_string=i+reversed_string
 print("Original string:", original_string)
 print("Reversed string:", reversed_string)
 
@@ -54,11 +57,11 @@
 print(f"Sum of squares of first {n} natural numbers: {sum_of_squares}")
 
 # Count the number of vowels in a string
-string = "Protons is Amazing"
+string = "Protons is amazing"
 vowels = "aeiou"
 vowel_count = 0
 for char in string:
-    if char in vowel:
+    if char in vowels:
         vowel_count += 1
 print(f"Number of vowels in the string: {vowel_count}")
 
@@ -76,16 +79,16 @@
 
 # Sum of positive elements in a list
 numbers = [1, 2, -9, -1 , 3, 4, -7, 5]
-sum_elements = 0
-for num in number: 
-    if not num > 0:
-    sum_elements += num
+sum_elements =0
+for num in numbers: 
+    if  num > 0:
+     sum_elements += num
 print(f"Sum of elements: {sum_elements}")
 
 # Factorial calculation
 n = 5
 factorial = 1
-for i in range(n + 1):
+for i in range(1,n + 1):
     factorial *= i
 print(f"Factorial of {n} is: {factorial}")
 
@@ -95,18 +98,19 @@
     print(f"{num} x {i} = {num * i}")
 
 # Checking if a number is even or odd
-number = 15
-if number%2 = 0:  
+number = int(input("enter a number"))
+if number%2== 0:  
     print(f"{number} is even")
-else
+else:
     print(f"{number} is odd") 
 
 
 # Appending four elements to the end of the list
 my_list = [1, 2, 3]
-my_list.append(4, 5)  
-my_list.append([4, 5]) 
-print("My list = " + my_list)
+my_list.insert(4,5)  
+my_list.insert(4, 6)
+my_list.insert(4,7)
+print(f"My list ={my_list}")
 
 # Comparing different types
 value1 = 10
@@ -121,15 +125,16 @@
 # Count even numbers from Zero to 50
 count = 0
 while True:
-    if count == 51:
+    if count >= 50:
         break
     count += 2 
+    print(count)
 
 
 # Sum of first n natural numbers
 n = 10
 sum_natural = 0
-for i in range(n):
+for i in range(n+1):
     sum_natural += i  
 print(f"Sum of first {n} natural numbers: {sum_natural}")
 
@@ -152,7 +157,8 @@
 
 # Check if a number is a perfect square
 num = 25
-if int(num  0.5) * int(num  0.5) = num:  
+# if int(num *0.5) + int(num*0.5) == num:   
+if int(num**0.5)*int(num**0.5)==num:
     print(f"{num} is a perfect square")
 else:
     print(f"{num} is not a perfect square")
@@ -163,7 +169,7 @@
 unique_numbers = []
 for number in numbers:
     if number in unique_numbers:
-        unique_numbers.add(number)  # AttributeError: 'list' object has no attribute 'add'
+       unique_numbers.append(number)  # AttributeError: 'list' object has no attribute 'add'
 print(f"Unique numbers: {unique_numbers}")
 
 # Swap two variables