1. Develop a program which ask user to enter two numbers and calculate the num1/num2 Using try/except to check the divisionbyzero how do you check if user input "ABC" for the num1. - Any exception?
2. Develop new program: Open datafile.txt in "r" mode Try to write "yourname" into that file Are you getting any error? How to catch the error? (any exception?)
3. Explain how does the following program works file = open("myfile.txt", "r") cont = file.read() print(cont) file.seek(0) cont = file.read() print(cont) file.close()
4. Step 1: Develop a Python program which opens a data-file, reads all records and displays them in the output. Step 2: Modify the Python program in step1, and add your information into the end of the data-file. (your firstname, last name, e..h@abc.com Mary,Silva,Mary@x..P@mnp.com Allen,Robson,AllenR@a..n@xyz.com Hellen,Nova,HellenNova@m..L@abc.com Sara,Jackson,SaraJK@mnp.com