1. Import the re module for regular expression.
2. Open the file using the open() function.
3. Read all the lines in the file and store them in a list.
4. Declare the pattern for IP addresses. The regex pattern is :
r'(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})'
5. For every element of the list search for the pattern using the search() function, store the IP addresses in a list.
6. Display the list containing the IP addresses.