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Commit 42a7c46

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Merge pull request avinashkranjan#1081 from sameeksharl/master
Address-book
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‎Address-Book/Readme.md

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# ADDRESS-BOOK
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[![forthebadge](https://forthebadge.com/images/badges/made-with-python.svg)](https://forthebadge.com)
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This project is to create an Address book using python in which the user can add a new contact, edit and delete existing contact and view all the contact using Tkinter and SQlite.
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Tkinter library for rendering graphics and SQlite is used for database.
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## Usage
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* In this python project, the user has button functionality to trigger that specific function.
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* eg –To edit a contact, the user has to fill the Name, phone no field and then click on edit button.
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To add a new contact,the user has to to fill the Name, phone no field and then click on add button.
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## Output :smiley:
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<img width="528" alt="figure" src="https://user-images.githubusercontent.com/59785217/119015721-cf6ac700-b9b6-11eb-8aad-37f8665cda7c.png">
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## Authors
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Written by [sameeksharl](https://www.github.com/sameeksharl)
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The project was built as a contribution during [GSSOC'21](https://gssoc.girlscript.tech/).

‎Address-Book/addressbook.py

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'''
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importing all the required libraries
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'''
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import sqlite3
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from sqlite3 import Error
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from tkinter import *
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import tkinter.messagebox
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root = Tk()
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root.geometry('600x370')
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list_of_names=[]
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root.title('AddressBook')
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Name = StringVar()
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Number = StringVar()
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""" creating a database connection to the SQLite database
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specified by db_file
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return: Connection object or None
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"""
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def create_connection(db_file):
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conn = None
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try:
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conn = sqlite3.connect(db_file)
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r_set=conn.execute('''SELECT * from tasks''');
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for student in r_set:
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list_of_names.append(student[1])
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return conn
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except Error as e:
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print(e)
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return conn
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""" create a table from the create_table_sql statement
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conn: Connection object
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create_table_sql: a CREATE TABLE statement
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"""
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def create_table(conn, create_table_sql):
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try:
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c = conn.cursor()
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c.execute(create_table_sql)
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except Error as e:
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print(e)
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return
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'''
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displaying added/deleted message
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'''
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def onClickAdded():
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tkinter.messagebox.showinfo(" ",Name.get()+" got added")
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def onClickDeleted():
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tkinter.messagebox.showinfo(" ",Name.get()+" got deleted")
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""" Create a new task (ie creating new row) for the given Name taking care of all conditions such as Name,phone no
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cannot be empty ,phone no should be 10 digits and also if Name already exist,then it cannot be inerted
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"""
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def create_task():
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sql = ''' INSERT INTO tasks(name,status_id)
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VALUES(?,?) '''
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if(Name.get() not in list_of_names):
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if((Name.get()=='') | (Number.get()=='') | (len(Number.get())!=10)):
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top = Toplevel(root)
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top.geometry('180x100')
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if((Number.get()=='') | (len(Number.get())!=10)):
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myLabel = Label(top, text="Phone no should be 10 digits\n")
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else:
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myLabel = Label(top, text="NAME IS EMPTY\n")
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myLabel.pack()
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mySubmitButton = Button(top, text=' Back ', command=top.destroy)
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mySubmitButton.pack()
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return
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onClickAdded()
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cur = conn.cursor()
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cur.execute(sql, (Name.get(),Number.get()))
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conn.commit()
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return cur.lastrowid
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else:
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top = Toplevel(root)
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top.geometry('180x100')
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if(Name.get()==''):
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myLabel = Label(top, text="NAME IS EMPTY\n")
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elif((Number.get()=='') | (len(Number.get())!=10)):
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myLabel = Label(top, text="Phone no should be 10 digits\n")
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else:
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myLabel = Label(top, text=Name.get()+" Already Exist\n")
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myLabel.pack()
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mySubmitButton = Button(top, text=' Back ', command=top.destroy)
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mySubmitButton.pack()
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"""
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Query tasks by Name, if name not found then it gives a warning saying "NOT Found"
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"""
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def select_task_by_name():
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cur = conn.cursor()
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cur.execute("SELECT * FROM tasks WHERE name=?", (Name.get(),))
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rows = cur.fetchall()
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if(len(rows)==0):
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inputDialog = MyDialog(root)
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root.wait_window(inputDialog.top)
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else:
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Number.set(rows[0][2])
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"""
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Editing phone no, if name not found then it gives a warning saying "NOT Found"
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"""
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def update_task():
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"""
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update priority, begin_date, and end date of a task
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:param conn:
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:param task:
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:return: project id
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"""
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sql = ''' UPDATE tasks
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SET status_id = ?
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WHERE name = ?'''
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if((Name.get() not in list_of_names) | (Name.get()=='')):
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inputDialog = MyDialog(root)
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root.wait_window(inputDialog.top)
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return
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cur = conn.cursor()
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cur.execute(sql, (Number.get(),Name.get()))
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conn.commit()
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"""
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Delete a task by name.if not found ,gives a warning!!!
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"""
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def delete_task():
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if((Name.get() not in list_of_names) | (Name.get()=='')):
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inputDialog = MyDialog(root)
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root.wait_window(inputDialog.top)
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return
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onClickDeleted()
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sql = 'DELETE FROM tasks WHERE name=?'
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cur = conn.cursor()
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cur.execute(sql, (Name.get(),))
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conn.commit()
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"""
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Get all rows in the tasks table
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"""
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def select_all_tasks():
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r_set=conn.execute('''SELECT * from tasks''');
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i=0
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j=0
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top = Toplevel(root)
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for student in r_set:
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list_of_names.append(student[1])
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for j in range(len(student)):
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e = Entry(top, width=11, fg='Gray20')
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e.grid(row=i, column=j)
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e.insert(END, student[j])
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i=i+1
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okButton= Button(top, text=' ok ', command=top.destroy)
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if(j==0):
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j=1
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okButton.grid(row=i+3, column=j-1)
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'''
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Getting the path of database and defining the table to be created
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'''
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database = r"./Address-Book/addressbook.db"
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sql_create_tasks_table = """CREATE TABLE IF NOT EXISTS tasks (
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id integer PRIMARY KEY,
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name text NOT NULL,
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status_id integer NOT NULL
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);"""
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'''
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Creating connection and gives error message if connection failed
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'''
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conn = create_connection(database)
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if conn is not None:
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create_table(conn, sql_create_tasks_table)
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else:
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print("Error! cannot create the database connection.")
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'''
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creating dialog box for warnings!
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'''
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class MyDialog:
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def __init__(self, parent):
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top = self.top = Toplevel(parent)
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self.myLabel = Label(top, text=Name.get().upper()+" NOT FOUND!")
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self.myLabel.pack()
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self.mySubmitButton = Button(top, text='Exit', command=self.send)
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self.mySubmitButton.pack()
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def send(self):
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self.top.destroy()
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'''
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Exiting from the application
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'''
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def EXIT():
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root.destroy()
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'''
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Resetting Name and phone no field
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'''
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def RESET():
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Name.set('')
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Number.set('')
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'''
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Creating UI for whole application
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'''
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Label(root, text = 'NAME', font='Times 15 bold').place(x= 130, y=20)
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Entry(root, textvariable = Name,width=42).place(x= 200, y=25)
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Label(root, text = 'PHONE NO ', font='Times 15 bold').place(x= 130, y=70)
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Entry(root, textvariable = Number,width=35).place(x= 242, y=73)
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Button(root,text=" ADD", font='Times 14 bold',bg='dark gray', command = create_task,width=8).place(x= 130, y=110)
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Button(root,text="EDIT", font='Times 14 bold',bg='dark gray',command = update_task,width=8).place(x= 260, y=108)
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Button(root,text="DELETE", font='Times 14 bold',bg='dark gray',command = delete_task,width=8).place(x= 390, y=107.5)
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Button(root,text="VIEW ALL", font='Times 14 bold',bg='dark gray', command = select_all_tasks,width=12).place(x= 160, y=191)
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Button(root,text="VIEW BY NAME", font='Times 14 bold',bg='dark gray', command = select_task_by_name,width=13).place(x= 330, y=190)
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Button(root,text="EXIT", font='Times 14 bold',bg='dark gray', command = EXIT,width=8).place(x= 200, y=280)
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Button(root,text="RESET", font='Times 14 bold',bg='dark gray', command = RESET,width=8).place(x= 320, y=280)
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root.mainloop()

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