Python exec() Function
Definition and Usage
The exec() function executes the specified 
Python code.
The exec() function accepts large blocks of 
code, unlike the eval() function which only 
accepts a single expression
Syntax
  
    exec(object, globals, locals)
  
Parameter Values
| Parameter | Description | 
|---|---|
| object | A String, or a code object | 
| globals | Optional. A dictionary containing global parameters | 
| locals | Optional. A dictionary containing local parameters | 

