Parameter Passing and Return Values
Parameters are passed by reference
- This has certain implications for lists, dictionaries, and similar types
def foo(x):
x[2] = 10
a = [1,2,3,4,5]
foo(a)
print a # Outputs '[1, 2, 10, 4, 5]'
Return values
- Values are returned as a tuple of results.
def foo():
...
return (x,y,z)
d = foo() # Gets a tuple with three values
(a,b,c) = foo() # Assigns values to a, b, and c.
a,b,c = foo() # Same thing
|