Other Arguments "If you can't answer a man's arguments, all is not lost; you can still call him vile names.

Python: function arguments and return values - Stack Overflow

They are always vulgar, and often convincing. Python Training Courses in Toronto, Canada On site trainings in Europe, Canada and the US. Passing Arguments Classroom Training Courses This website contains a free and extensive online tutorial by Bernd Klein, using material from his classroom Python training courses.

If you are interested in an instructor-led classroom training course, you may have a look at the Python classes by Bernd Klein at Bodenseo. The most common evaluation strategy when passing arguments to a function has been call by value and call by reference: Call by Value The most common strategy is the call-by-value evaluation, sometimes also called pass-by-value.

In call-by-value, the argument expression is evaluated, and the result of this evaluation is bound to the corresponding variable in the function.

Setting the default value of a function input to equal another input in Python - Stack Overflow

So, if the expression is a variable, hsbc stock trading singapore local copy of its value will be used, i. Call by Reference In call-by-reference evaluation, which is also known as pass-by-reference, a function gets an implicit reference to the argument, rather than a copy python function argument value its value.

As a consequence, python function argument value function can modify vanguard emerging markets stock index fund fact sheet argument, i. The advantage of call-by-reference consists in the advantage of greater time- and space-efficiency, because arguments do not need to be copied.

On the other hand this harbours the disadvantage that variables can be "accidentally" changed in a function call. So special care has to be taken to "protect" the values, which shouldn't be changed.

Python Function Arguments (Default, Keyword and Arbitrary)

In ALGOL 60 and COBOL has been known a different concept, which was called call-by-name, which isn't used anymore in modern languages. Python 2 Tutorial History and Philosophy of Python Why Python? Local Variables File Management Modular Programming and Modules Introduction in Regular Expressions Regular Expressions, Advanced Lambda Operator, Filter, Reduce and Map List Comprehension Generators Exception Handling Object Oriented Programming Inheritance Example Slots Classes and Class Creation Road to Metaclasses Metaclasses Metaclass Example: Memoization with Decorators Next Chapter: