Example 9.19 -- so many way to initialize in C
Example 9.20-23 -- passing a function   (C_apply.c)
Example 9.25 -- named arguments
    https://www.python-course.eu/passing_arguments.php
    python
        default arguments
            def F(number, dept="CSCI"):
        keyword arguments
	    F(dept="CSCI", number=431)
        def test(*args, **kwargs):
            print args
            print kwargs	    
        parameters
        https://code.tutsplus.com/articles/understanding-args-and-kwargs-in-python--cms-29494
        https://docs.python.org/3/reference/compound_stmts.html#function-definitions
        https://docs.python.org/3/reference/expressions.html#calls
	    This is complicated...
Example 9.27-29: variable arguments: C and Java
Example 9.31-33: returning/passing more than one: Python
Example 9:35-45: Exceptions
        PL/I on conditions
        https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.3.0/com.ibm.zos.v2r3.ceea200/ceea200161.htm
	Unix signal-sigaction (man page)
Example 9.51-9.55: Events
Example 9.67-9.68: Iterators
        Look at Java