Use the Python code in cspProblem .py, which defines a CSP with variables, domains and con- straints. Add charges to CSPs by extending this course to include things like a Price and a heuristic purpose h to calculate the Expense. Also use the code in cspConsistency .py. This code implements http://claytonzpdqc.blogofchange.com/15369939/a-simple-key-for-代写assignment-unveiled