app1.py

import os

def create_file(filename):                                             
    try:
        with open(filename, 'x') as f:
            print(f"File name {filename}: Created successfully!")
    except FileExistsError:
        print(f'File name {filename} already exists!')
    except Exception as e:
        print('An error occurred!')

def view_all_file():
    files = os.listdir()
    if not files:
        print('No file found!')
    else:
        print('Files in directory:')
        for file in files:
            print(file)
            
def delete_file(filename):
    try:
        os.remove(filename)
        print(f'{filename} has been deleted successfully!')
    except FileNotFoundError:
        print('File not found!')
    except Exception as e:
        print('An error occurred!')

def read_file(filename):
    try:
        with open(filename, 'r') as f:
            content = f.read()
            print(f"Content of '{filename}':\n{content}")
    except FileNotFoundError:
        print(f"{filename} doesn't exist!")
    except Exception as e:
        print('An error occurred!')

def edit_file(filename):
    try:
        with open(filename,'a') as f:
            content = input("Enter data to add = ")
            f.write(content + "\n")
            print(f'Content added to {filename} Successfully!')
    except FileNotFoundError:
        print(f"{filename} doesn't exist!")
    except Exception as e:
        print('An error occurred!')

def main():
    while True:
        print("\nFILE MANAGEMENT APP")
        print('1: Create file')
        print('2: View all files')
        print('3: Delete file')
        print('4: Read file')
        print('5: Edit file')
        print('6: Exit')

        choice = input('Enter your choice (1-6) = ')

        if choice == '1':
            filename = input("Enter file name to create = ")
            create_file(filename)
        
        elif choice == '2':
            view_all_file()

        elif choice == '3':
            filename = input("Enter file name you want to delete = ")
            delete_file(filename)

        elif choice =='4':
            filename = input("Enter file name to read = ")
            read_file(filename)

        elif choice == '5':
            filename = input("Enter file name to edit = ")
            edit_file(filename)

        elif choice == '6':
            print('Closing the app....')
            break

        else:
            print('Invalid choice!')

if __name__ == "__main__":
    main()