* replace assert with if test in add_thing

* removed inline assert

* added unit test to check edit

* improve user interface

* Add test for determineInlinks()

* Add test for HITS()

* fixed premature updation

* Refactor code to match pseudocode

* Added test_rl.py

* Update test_rl.py

Accidentally left "agent.U == 0" in. It was there for some testing of mine.

* Removed redundant condition

* moved gola_test inside function

* refactor goal_test()

* Update learning.py

* Update test_learning.py

* Update test_learning.py

* define HLA, Problem and implement 11.1

* add demonstration of job_shop_problem

* implementing 11.5

* adding test for refinement

* Update search.ipynb

* Delete comparision.PNG

* Delete mutation.png

* Delete Crossover.png

* Add images

* Update search.ipynb

* Update search.py

* Update test_search.py

* minor edits and notes

* removed fuzzywuzzy

* Add 8-Queens Test

* Optimization without veering from pseudocode

* Variable renaming

* Update search.py

* Optimization

* Update test_search.py

* Fairer reproduction

Implemented Genetic Algorithm. Because #477 had unnecessary edits,

* Update learning.py

converted method sample(self) to propety and removed the call in the statement return self.sampler

* Update search.py

minor code formatting.

* Implmented GA

Implemented Genetic Algoritm in search.py and search.ipynb

* implemented Genetic Algorithm in search.py and made modifications according to flake8. Demonstrated the working of GA iin search.ipynb.

* implemented Genetic Algorithm in search.py and made modifications according to flake8. Demonstrated the working of GA iin search.ipynb.

* Updated GA in search.ipynb

Removed the image links and included the images used in the image
folder. Reduced the file size from 2.4 MB to 183 KB. For every 21 print
statements that we previously had, now we have 2, only printing the
fittest individual in each generation. The instructions has been made to
get the detailed output.

* Delete aima-python.iml

* Delete misc.xml

* Delete modules.xml

* Delete workspace.xml

* Update learning.py

* Update search.py

* Add files via upload

* Add grade_learner

* Update test_learning.py

* Fixed normalize()

* Update test for normalize()

added test for count() and mode()

* Adds hashable dict type

* Implemented permutation decoder

* added test for permutation decode

* Optimized permutationdecoder

* relaxed tests

* uses isinstance

* Update test_learning.py

* Update learning.py

* set max_score to -1 (for now)

* Update learning.py

* Make find_max more pythonic

* Update learning.py

* Add Euclidean Distance

* Update learning.ipynb

* minor fix in notebook

* minor spacing in learning.py

* Added Euclidean Test

* change string format

* Fixed string format

* Adds hashable dict type

* Implemented permutation decoder

* added test for permutation decode

* Optimized permutationdecoder

* relaxed tests

* Added ShiftDecoder to notebook

* replaced code with psource

* fix spelling mistakes

* Exclude test files from flake8 check

* Fix flake8 for main files

* Add flake8 check to build

* Implement Topological Sort

- Implemented topological_sort
- Added auxiliary function build_topological
- Updated call to topological_sort

* Use defaultdict to build visited

* Added test

* Update csp.py

Skip first item of iteration