chapter 12: Managing Lists 12.1 Organizing Information in an Application 12.2 Creating Lists 12.3 Accessing Lists 12.4 Looping Through Lists 12.5 Modifying Lists 12.6 Searching Lists 12.7 Sorting Lists 12.8 Working with the Counter Object Algorithms Train 01-01.ListLoop.py 01-02.SearchList.py 01-03.SortList.py 01-04.UseCounterWithList.py 02.remove_charater.py 03.calcuate_number.py 04.take_in_two_string.py 05.count_number.py 06.check_palindrome_string.py 07.calculate_the_number.py