Answer the given question with a proper explanation and step-by-step solution. Your job is to write a static analysis function, def find_variable_assignments (source, target_var_names) that can detect such blunders in a source code string ofsyntactically valid Python.We'd like to generalize the function to accept a parameter list of names we're interested in searching for ( target_var_names) and return a list of any names from this list that hadassignments to them anywhere in the code. Ignore any assignments to variables not in this list and only report each result variable once. Result ordering doesn't matter.As a simplifying assumption, your analysis can generate false positives for potentially complex but safe code like:foo = nextnext = foowhich overwrites a builtin function with itself and causes no ill effects. In other words, your analysis is only concerned with the names of the variables on the left side of eachassignment expression.Here's the function definition:find_variable_assignments(source, target_var_names)Parameterssource: String - a string containing a chunk of valid Python source code to perform analysis on.target_var_names: Array (of Strings) - a list of variable names to search the source string for assignments to.➖➖➖➖➖➖➖➖➖➖........Return ValueArray (of Strings) - a filtered list of target_var_names that had asssignments to them somewhere in the source string.Please see test/test_find_variable_assignments.py in your working directory for a variety of examples. The submission test suite only tests variants on these (differentnames, statements in different order, etc) but does not introduce any tricks or additional cases. Note that the tests consider class and function names as possible overwritingcandidates. Feel free to modify these sample files and tests as you wish.You can also consult documentation as you need. The ast module and its missing manual are good places to start. A common gotcha in Python is to create a bug by overwriting a builtin function. Consider the following program:>>> list("abc")['a', 'b', 'c']>>> list = 42>>> list("xyz")Traceback (most recent call last):File "", line 1, in TypeError: 'int' object is not callableWhat happened? The builtin function list which converts an iterable into a list was overwritten with the integer value 42. Upon trying to call it again, the program crashes because42("xyz") is invalid.This can (less commonly) occur with class names and function definitions, which are first-class variables. Our analysis should check for these blunders as well. For example:>>> next(iter("abc"))'a'>>> def next(): pass>>> next(iter("abc"))Traceback (most recent call last):File "", line 1, in TypeError: next() takes positional arguments but 1 was givenYour job is to write a static analysis function, def find_variable_assignments (source, target_var_names) that can detect such blunders in a source code string ofsyntactically valid Python.We'd like to generalize the function to accept a parameter list of names we're interested in searching for ( target_var_names) and return a list of any names from this list that hadassignments to them anywhere in the code. Ignore any assignments to variables not in this list and only report each result variable once. Result ordering doesn't matter.As a simplifying assumption, your analysis can generate false positives for potentially complex but safe code like:foo = nextnext = foo

Coded using Python 3, Make sure you are on latest version of python. I have added some test cases…

Answered: Answer the given question with a proper…

Engineering

Computer Science

Answer the given question with a proper explanation and step-by-step solution.

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter7: Arrays

Section7.5: Case Studies

Problem 3E

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