Lab 5: Files¶
The problems in this lab will help you understand reading and writing files.
Part 1: Reading and Writing a File¶
This part will help you understand reading and writing.
1.1. Open and Read a File¶
Create a file called ``test.txt`` with a few lines in it. Read and print the first line of the file. Don’t forget to close the file.
1.2. Read Two Lines¶
Wirte a program that reads the first two lines of
test.txt and prints them. Don’t forget to close the file.
1.3. Write a File¶
Use Python to write the following into a file called
One fish, Two fish, Red fish, Blue fish.
The program should create the file if it doesn’t exist.
1.4. Write Data¶
Write a program that uses the
input() function to:
Ask the user for a file name (
Ask the user for their name (
Ask the user for an integer (
Open the file
filename then write
times number of times.
1.5. Append Data¶
Rewrite question the previous append data to the file instead of overwriting the file.
1.6. Read Lines and Reorder¶
Write a program that reads the four lines in
fish.txt and prints them in reverse order.