Initial File from CE1
added Message
Edited Msg
Edited Printing Statement
fixed invalid command
fixed display text
fixed search text
fixed clear text
fixed delete text
fixed add text
fixed welcome text
fixed operation fail to delete
fixed command prompt text
renamed fileObject
edited deleteTxt to add invalid parameter
edited deleteTxt to scan in invalid parameter
edited deleteTxt invalid parameter
edited main function
resolved error in main function
refactor code