Use the Python code in cspProblem .py, which defines a CSP with variables, domains and con- straints. Increase charges to CSPs by extending this class to include a Value and a heuristic functionality h to determine the Price tag. Also use the code in cspConsistency .py. This code implements the https://bookmarknap.com/story1677800/top-latest-five-assignment%E4%BB%A3%E5%86%99-urban-news