Record Keeping App With Delete Function in Python

 A record keep app with delete function that I wrote using Python programming language it demonstrate text file database programming. I hope you will like it.

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Program Listing

# record keeping app with delete function in python
# Jake Rodriguez Pomperada, MAED-IT, MIT
# www.jakerpomperada.com  and www.jakerpomperada.blogspot.com
# jakerpomperada@gmail.com
# Bacolod City, Negros Occidental Philippines

import os
import sys
from pathlib import Path


class Records:
    def __init__(self, choice):
        self.choice = choice
        if choice == "A":
            with open("record.txt", "r") as records:
                for last_line in records:
                    pass
            if last_line[0] == "#":
                num = 1
            else:
                num = int(last_line[0]) + 1

            name = input("Enter Name: ")
            email = input("Enter Email: ")
            address = input("Enter Address: ")
            with open("record.txt", "a") as writeRecord:
                writeRecord.write(f"{num}\t\t\t{name}\t\t\t{email}\t\t\t{address}\n")
        elif choice == "B":
            with open("record.txt", "r") as countRecords:
                count = len(countRecords.readlines()[1:])

                if count == 0:
                    print("There are no records!!")
                    print()
                else:
                    with open("record.txt", "r") as readRecords:
                        print(readRecords.read())
        elif choice == "C":
            record_id = input("Enter Record #: ")
            with open("record.txt", "r") as f:
                lines = f.readlines()
            with open("record.txt", "w") as readRecords2:
                for line in lines:
                    if not line.startswith(record_id):
                        readRecords2.write(line)
            print("Record Deleted.")
        elif choice == "D":
            print("No records found.")
            with open("record.txt", "r+") as f:
                f.truncate(0)
        elif choice == "E":
            sys.exit("Thank you!")
        else:
            print("Invalid response. Please try again.")


while True:
    def createFile():
        with open("record.txt", "w+") as create:
            create.write("#\t\t\tName\t\t\t        Email\t\t\t        Address\n")
    if Path("record.txt"):
        if os.stat("record.txt").st_size != 0:
            with open("record.txt", "r+") as readFirstLine:
                first = readFirstLine.readlines()[0][0]
                if first != "#":
                    readFirstLine.write("#\t\t\tName\t\t\t        Email\t\t\t        Address\n")
        else:
            createFile()
    else:
        createFile()

    print("==========================================================")
    print(" ~ Record Keeping App With Delete Function in Python ~")
    print("===========================================================")
    print("Available Operators:")
    print("A) Add Record\t\tB) View Record")
    print("C) Delete record\tD) Clear Records")
    print("E. Exit\n")

    selection = input('Enter selection: ').upper()
    Records(selection)