1. What is the difference between runtime and compile time exceptions in Python?
2. What are regular expressions?
3. Explore the Linux commands head, tail, cat, and awk.
4. Write a Python program to append the contents of one file to another file.
5. Write a Python program to read the contents of a file in reverse order.
6. What would be the output of the following expressions?
   1. re.search(r'CWke', 'C@ke').group()
   2. re.search(r'Co+kie', 'Cooookie').group()
   3. re.match(r'<.*?>', '<h1>TITLE</h1>').group()