In other words, it is the comma(s) that make the tuple not quite the parentheses. But if you are returning an empty tuple (this is not true in our example), you do need parentheses. You can also remove the parentheses in the line where you unpack your tuple. For instance: ...
It seems to me that you are also stuck in code challenge 1/3 of the tuples section. So you may have a look at this thread:https://teamtreehouse.com/forum/i-am-stumped-on-the-first-task-in-this-challenge-how-do-i-convert-the-strings-in-this-function-to-a-tuple ...
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Once you’ve written your filter definition, you need to register it with your Library instance, to make it available to Django’s template language: register.filter("cut", cut) register.filter("lower", lower) The Library.filter() method takes two arguments: The name of the filter – a...
In this tutorial, you'll learn how to remove or replace a string or substring. You'll go from the basic string method .replace() all the way up to a multi-layer regex pattern using the sub() function from Python's re module.
Make Tool Make is a UNIX tool and is used as a tool to simplify building executable from different modules of a project. There are various rules that are specified as target entries in the makefile. The make tool reads all these rules and behaves accordingly. ...
In this code snippet, you define a function named apply_discount(), which applies a discount to the price of a given product. Then it returns a tuple containing the product and its new price. The first call to map() iterates through the items of the dictionary, fruits.items(), and ap...
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For example, if we need to make a 10% increase in all prices for our toppings we can’t write: 1 2 3 for myValue in toppings.values{ myValue = myValue * 1.10 } The compiler would tell us: Cannot assign to value: 'myValue' is a 'let' constant. We cannot use the values in ...