Students who complete this unit will demonstrate that they can:

• Refactor a program by identifying opportunities to apply procedural abstraction.
• Modify and expand short programs that use standard conditional and iterative control structures and functions.
• Design, implement, test, and debug a program that uses each of the following fundamental programming constructs: basic computation, simple I/O, standard conditional and iterative structures, the definition of functions, and parameter passing.
• Define and call functions.
• Describe the purpose of a parameter in a function definition.
• Distinguish between function parameters and arguments.
• Use a return statement.
• Explain the keyword None.
• Define the term polymorphism.
• Compare and contrast dynamic and static typing.
• Describe 3 reasons for defining a new function.
• Identify common errors in a function.
• Determine a variable's scope.
• Distinguish between local and global variables.
• Define and create docstrings for a function.