# Add two numbers together x = 4 y = 5 z = x + y print("Output #2: Four plus five equals {0:d}.".format(z)) # Add two lists together a = [1, 2, 3, 4] b = ["first", "second", "third", "fourth"] c = a + b print("Output #3: {0}, {1}, {2}".format(...
Python code to sort two lists according to one list Combining them together, we canorderthe 2 lists together by new_x, new_y = zip(*sorted(zip(x, y))) For the above example, thenew_xandnew_ywill be: >>> new_x, new_y = zip(*sorted(zip(x, y)))>>> new_x (1,2,3,...
Line 11: You join together the lists of positional and keyword arguments to one signature string with each argument separated by a comma. Line 14: You print the return value after the function is executed.It’s time to see how the decorator works in practice by applying it to a simple fu...
Python itertools.chain() method to concatenate lists Python itertools modules’ itertools.chain() function can also be used to concatenate lists in Python. Theitertools.chain()function accepts different iterables such as lists, string, tuples, etc as parameters and gives a sequence of them as ou...
() method is used for concatenating all three lists together. You can see that the extend() method is used two times for merging the second and third list with the first list. As mentioned earlier, the method cannot add more than two lists. Thus it is used two times for adding the ...
When two lists, strings or dataclasses are compared, their values get compared in order until a pair of unequal values is found. The comparison of this two values is then returned. The shorter sequence is considered smaller in case of all values being equal. To sort collection of strings in...
List concatenationthe act of creating a single list from multiple smaller lists by daisy chaining them together. There are many ways of concatenating lists in Python. Specifically, in this article, we'll be going overhow to concatenate two lists in Pythonusing the plus operator, unpack operator...
While tuples could just be thought of as immutable lists, we usually use the two quite differently: tuples are for storing a fixed number of values, often of different types. For more on the nature of tuples see How to make a tuple and Mutable tuples. List Comprehension (also set & ...
The below example takes a vector of pairs of ints, and passes them to a function expecting two ints, with the elements of the pair being the first and second arguments to the function.vector<pair<int, int>> v = {{2, 3}, {5, 2}, {3, 4}}; // {base, exponent} for (auto...
That leaves us with just two tests in HomePageTest: lists/tests/test_views.py (ch11l017). class HomePageTest(TestCase): def test_home_page_renders_home_template(self): [...] def test_home_page_uses_item_form(self): [...] A Big Find and Replace One thing we have done, though...