diff --git a/README.md b/README.md
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+++ b/README.md
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+# HacktoberFest2021-2
+A beginner-friendly project to help you in open-source contributions. Made specifically for contributions in HACKTOBERFEST 2021. Please leave a star ⭐ to support...…
diff --git a/bookstore/bookdata.db b/bookstore/bookdata.db
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Binary files /dev/null and b/bookstore/bookdata.db differ
diff --git a/bookstore/file1.py b/bookstore/file1.py
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+++ b/bookstore/file1.py
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+import sqlite3
+con = sqlite3.connect('bookdata.db')
+cur = con.cursor()
+
+def add():
+    while (True):
+        try:
+            myid = int(input("Enter Id:\t"))
+            myname = input("Enter Title:\t ")
+            myauthor = input("Enter Author:\t ")
+            mymarks = int(input("Enter Price:\t "))
+            cur.execute("INSERT INTO  booklist(Book_id, Title, Author, Price) VALUES (?,?,?,?);",(myid, myname, myauthor, mymarks))
+            con.commit()
+            print("You Succesfully Added data")
+        except:
+            print("You Entered some wrong Data ")
+
+        user_choice2 = ""
+        while (user_choice2 != "c" and user_choice2 != "q"):
+            print("Press q to quit and c to If you want add more data")
+            user_choice2 = input("Enter")
+            if user_choice2 == "q":
+                exit()
+            elif user_choice2 == "c":
+                continue
+            else:
+                print(f" you write wrong \n{ user_choice2} is a not vaild optaion")
+
+def display():
+    print("Book_id\t Title\t Author\t Price\n")
+    vv = cur.execute("SELECT * FROM  booklist")
+    for i in vv:
+        print(i[0], "\t", i[1], "\t====>>", i[2], "\t", i[3])
+    con.close()
+
+def Updating():
+    print("here you can change price of any book")
+    user = input("Enter Title Which you want to update:")
+    cur.execute("SELECT price FROM booklist WHERE  title='" +user+ "';")
+    record = cur.fetchone()
+    print(f"The old price of {user} book is {record}")
+    user2 = input("Now Enter new price :")
+    con.execute("UPDATE booklist SET price='"+user2+"' WHERE title='"+user+"' ")
+    con.commit()
+    print("Record updated sucessfully")
+
+
+if __name__ == '__main__':
+    print("hello to VIVEK bookstroe database \nEnter Your choice ")
+    take = int(input("1 for Add \t 2 for Name of Books \t 3 for updating price\nYour choice:\t"))
+    if take==1 :
+        print(add())
+    elif take==2 :
+        print(display())
+    elif take == 3 :
+        print(Updating())
+    else:
+        print("Error !!!. You entered wrong data ")
+
+
diff --git a/bookstore/file4.py b/bookstore/file4.py
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+++ b/bookstore/file4.py
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+import sqlite3
+con = sqlite3.connect("bookdata.db")
+cur = con.cursor()
+print("Welcome to VIVEK Bookstrore.")
+while True:
+    
+        value = input("Enter book Title :")
+        sql = cur.execute("SELECT price FROM booklist WHERE  title='" + value + "';")
+        record = cur.fetchone()[0]
+        if record == None:
+            print(f"Sorry sir currently not avilable! \nWe will try to get {value} book for you Next time")
+        else:
+            print(f"Yes Sir, we have it in stock. It costs Rs{record}. Would you like to take it?")
+            ask = int(input("1 for yes and 2 for No :"))
+            if ask == 1:
+               copies = int(input("How many copies :"))
+               print("Sure. Anything else, Sir?")
+               user_choice2 = ""
+               while (user_choice2 != "Yes" and user_choice2 != "No"):
+                   user_choice2 = int(input("Enter :"))
+                   if user_choice2 == "No":
+                       amount =sum( record * copies)
+                       print( f"Book Title :\t{value}\nPrice of Book:\t{record}\nTotal amount:\t{amount}\nThank you Sir, Visit again. Have a good day")
+
+                   elif user_choice2 == "Yes":
+                        continue
+
+                   else:
+                       print(f"you write wrong \n Yes & No is a not vaild optaion")
+            elif ask == 2:
+                 print(f"Thanks for asking {value} book ")
+
+
+    
diff --git a/find_word.java b/find_word.java
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+++ b/find_word.java
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+// WAP enter a sentence form keyboard and also find all the words in that 
+// sentence with starting character as vowel
+import java.util.Scanner;
+class Assginment2
+{
+	public static void main(String[] arg) 
+	{
+		String store="\n";
+		char vowel=a;
+		Scanner sc=new Scanner(System.in);
+		System.out.print("Enter a string : ");
+		String take=sc.nextLine();
+		String[] arr=take.split(" ");		
+		for (String s : arr) 
+		{
+			System.out.println(s);
+			int le=s.length();
+			String[] arr2=new String[le];
+			arr2=
+			if (arr2[0]==vowel) 
+			{
+				store+=s;
+			}
+		}
+		System.out.println("These are the words which start with vowel : "+store);
+	}
+}