Write a function update () to update the record in the binary file “employee”, which consist of employee number, employee name and salary. The updation should be done on the basis of employee number entered by the user.
Write a function search () to search a record in a binary file according to the employee number entered by the user. Also display the message “Record not found” in case record not found in the file.
Write a function addrecord() a add new record to the binary file “employee” using list. The list should consist of employee number, employee name and salary.
Write a program to read the content of teacher.csv file in dictionary. teacher.csv sno,teacher,subject 1,Shilpa,english 2,Swati,computer 3,Farhat,chemistry
Write a function to read the content from the "quotes.txt" and transfer the content to the file "Duplicate.txt" but while transfer all the upper case character to lower case character, lower case character to uppercase character and rest of the character as it is.