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10. Write a statement to open a binary file C:\Myfiles\Text1.txt in read and write mode by specifying for file
path in two different formats.
11. What are the advantages of saving data in : (i) binary form (ii) text form ?
12. When do you think text files should be preferred over binary files?
13. Write a statement in Python to perform the following operations: [CBSE D 2016]
(a) To open a text file "BOOK.TXT" in read mode
(b) To open a text file "BOOK.TXT" in write mode
14. What is following code doing?

File = open("contacts.csv", "a")
Name = input("Please enter name: ")
Phno = input("Please enter phone number: ")
File.write(name + ", " + phno + "\n")
15. Write code to open the file in the previous question and print it in the following form:
Name : <name> Phone: <phone number>
16. Consider the file "contacts.csv" created in above Q and figure out what the following code is trying to do?
name = input("Enter name:")
file = open("contacts.csv", "r")
for line in file:
if name in line:
print(line)
Create a CSV file "Groceries" to store information of different items existing in a shop. The information is
to be stored w.r.t. each item code, name, price, qty. Write a program to accept the data from user and
store it permanently in CSV file.

Python Libraries

4.25