Motivation Idea ---> Editor ---> Source File --> Scanner --> Lexer --> Parser --> Interpreter --> Intermediate Code Generator --> Code Optimizer --> Code Generator ---> Executable def eval(exprn): tokens - exprn.split('') List of Tokens -Pa rser+Interpreter-----> Integer tokenize() interpret() ======== Template Use the following (codes with color-background) templat es as H02_work.py name: ???? class H02: def _init__(self): pass def tokenize (self, exprn): return ('1', '+', 200, + '5') def interpret(self, tokens): return 206 def eval(self, exprn): print (f'exprn ==> "{exprn)"') # debugging message tokens = self.tokenize (exprn) print(f'tokens --> {tokens)') # debugging message value = self.interpret (tokens) return value h - H020) val - h.eval() print(val) 1+ 200 +5')