diff --git a/CS_Source Code.py b/CS_Source Code.py
index 6a8d628..da0891c 100644
--- a/CS_Source Code.py	
+++ b/CS_Source Code.py	
@@ -16,31 +16,31 @@ class used
 
 
 class student(object):
-    def __int__(s):
-        s.roll = 0
-        s.name = ""
-        s.per = 0
-
-    def add_rec(s):
-        s.roll = int(input("Enter roll number: "))
-        s.name = input("Enter name: ")
-        s.name = s.name.upper()
-        s.per = float(input("Enter percentage: "))
-
-    def disp_rec(s):
-        print("roll number: ", s.roll)
-        print("name: ", s.name)
-        print("percentage: ", s.per)
-
-    def display_rec(s):
-        print("%-10s" % s.roll, "%-20s" % s.name, "%-10s" % s.per)
+    def __init__(self):
+        self.roll = 0
+        self.name = ""
+        self.per = 0
+
+    def add_rec(self):
+        self.roll = int(input("Enter roll number: "))
+        self.name = input("Enter name: ")
+        self.name = self.name.upper()
+        self.per = float(input("Enter percentage: "))
+
+    def disp_rec(self):
+        print("roll number: ", self.roll)
+        print("name: ", self.name)
+        print("percentage: ", self.per)
+
+    def display_rec(self):
+        print("%-10s" % self.roll, "%-20s" % self.name, "%-10s" % self.per)
         # print("in display_rec")
 
-    def modify_rec(s):
-        s.roll = int(input("Enter new roll number: "))
-        s.name = input("Enter new name: ")
-        s.name = s.name.upper()
-        s.per = float(input("Enter new percentage: "))
+    def modify_rec(self):
+        self.roll = int(input("Enter new roll number: "))
+        self.name = input("Enter new name: ")
+        self.name = self.name.upper()
+        self.per = float(input("Enter new percentage: "))
 
 
 def write_record():
diff --git a/GUI/__pycache__/file_operations.cpython-311.pyc b/GUI/__pycache__/file_operations.cpython-311.pyc
new file mode 100644
index 0000000..20aaa4d
Binary files /dev/null and b/GUI/__pycache__/file_operations.cpython-311.pyc differ
diff --git a/GUI/__pycache__/student.cpython-311.pyc b/GUI/__pycache__/student.cpython-311.pyc
new file mode 100644
index 0000000..3cddac5
Binary files /dev/null and b/GUI/__pycache__/student.cpython-311.pyc differ
diff --git a/GUI/file_operations.py b/GUI/file_operations.py
new file mode 100644
index 0000000..9f7c752
--- /dev/null
+++ b/GUI/file_operations.py
@@ -0,0 +1,25 @@
+# file_operations.py
+import pickle
+
+
+def write_record(student):
+    try:
+        with open("stud.dat", "ab") as file:
+            pickle.dump(student, file)
+        return "Record added in file!"
+    except Exception as e:
+        return f"Error: {str(e)}"
+
+
+def display_all_records():
+    records = []
+    try:
+        with open("stud.dat", "rb") as file:
+            while True:
+                student = pickle.load(file)
+                records.append(student.display_record())
+        return records
+    except EOFError:
+        return records
+    except IOError:
+        return ["File could not be opened!"]
diff --git a/GUI/gui.py b/GUI/gui.py
new file mode 100644
index 0000000..f86dbf3
--- /dev/null
+++ b/GUI/gui.py
@@ -0,0 +1,61 @@
+# gui.py
+import tkinter as tk
+import student
+import file_operations
+
+
+def write_record():
+    try:
+        roll = int(roll_entry.get())
+        name = name_entry.get()
+        per = float(per_entry.get())
+
+        student_obj = student.Student()
+        student_obj.add_record(roll, name, per)
+
+        result_label.config(text=file_operations.write_record(student_obj))
+
+    except Exception as e:
+        result_label.config(text=str(e))
+
+
+def display_all():
+    result_text.delete(1.0, tk.END)
+
+    records = file_operations.display_all_records()
+
+    for record in records:
+        result_text.insert(tk.END, record + "\n\n")
+
+
+app = tk.Tk()
+app.title("Student Record Management")
+
+frame = tk.Frame(app)
+frame.pack(padx=20, pady=20)
+
+tk.Label(frame, text="Roll Number:").grid(row=0, column=0)
+tk.Label(frame, text="Name:").grid(row=1, column=0)
+tk.Label(frame, text="Percentage:").grid(row=2, column=0)
+
+roll_entry = tk.Entry(frame)
+name_entry = tk.Entry(frame)
+per_entry = tk.Entry(frame)
+
+roll_entry.grid(row=0, column=1)
+name_entry.grid(row=1, column=1)
+per_entry.grid(row=2, column=1)
+
+add_button = tk.Button(frame, text="Add Record", command=write_record)
+add_button.grid(row=3, column=0, columnspan=2)
+
+display_button = tk.Button(frame, text="Display All Records", command=display_all)
+display_button.grid(row=4, column=0, columnspan=2)
+
+result_label = tk.Label(frame, text="", wraplength=300)
+result_label.grid(row=5, column=0, columnspan=2)
+
+result_text = tk.Text(frame, height=10, width=40)
+result_text.grid(row=6, column=0, columnspan=2)
+
+app.mainloop()
diff --git a/GUI/stud.dat b/GUI/stud.dat
new file mode 100644
index 0000000..1d97c76
Binary files /dev/null and b/GUI/stud.dat differ
diff --git a/GUI/student.py b/GUI/student.py
new file mode 100644
index 0000000..b3bbdc8
--- /dev/null
+++ b/GUI/student.py
@@ -0,0 +1,16 @@
+# student.py
+
+
+class Student:
+    def __init__(self):
+        self.roll = 0
+        self.name = ""
+        self.per = 0
+
+    def add_record(self, roll, name, per):
+        self.roll = roll
+        self.name = name.upper()
+        self.per = per
+
+    def display_record(self):
+        return f"Roll Number: {self.roll}\nName: {self.name}\nPercentage: {self.per}"
diff --git a/stud.dat b/stud.dat
index 1fe08aa..f7a90c5 100644
Binary files a/stud.dat and b/stud.dat differ