Some Leftovers
Lambdas Lambdas are function literals, much like 4.5 is a float literal or "fooment" is a string literal.
They look like this.
lambda arg(s): expr
The item arg(s) is a parameter list that can
consist of zero or more items. The item expr
is an expression combining the parmeters.
Two ways to define a function
A use case for lambdas
Python is a pass-by-value language Remember this: Python variables store the heap addresses of their objects.
A Dangerous Bend Mutable objects passed to functions can be changed. We shall learn about the "pink house principle."