[Tutor] Returned values

[Ryan Sheehy]

I am just wondering how you would know what a function returns when it is
called.

As an example, if I have code like so:

	>>> abc = 1
	>>> xyz(abc)
	result of 'xyz'

... where 'xyz' is any function that can accept 'abc' (without errors), how
will I know what type of value 'xyz' has returned (boolean? string? integer?
float?), obviously I might be able to see what it has returned in IDLE, but
what if I cannot (for whatever reason)?

I hope my silly question makes sense. :o)


Ryan
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