A list in python is a number of items placed with in [] which may or may not have same data types. It can also contain duplicates. In this article we will see how to extract only the unique values from a list.With append()In this approach we will first create ... Read More

A list in python can also contain lists inside it as elements. These nested lists are called sublists. In this article we will solve the challenge of retrieving only the last element of each sublist in a given list.Using for loopIt is a very simple approach in which we loop ... Read More

A list in python can also contain lists inside it as elements. These nested lists are called sublists. In this article we will solve the challenge of retrieving only the first element of each sublist in a given list.Using for loopIt is a very simple approach in which we loop ... Read More

There may be situation when you need to get the first and last element of the list. The tricky part here is you have to keep track of the length of the list while finding out these elements from the lists. Below are the approaches which we can use to ... Read More

For many programs getting the keys from a dictionary is important input to be used by some other program which rely on this dictionary. In this article we are going to see how to capture the keys as a list.Using dict.keysThis is a very direct method of accessing the keys. ... Read More

A Python list can also contain sublist. A sublist itself is a list nested within a bigger list. In this article we will see how to count the number of unique sublists within a given list.Using CounterCounter is a subclass of Dictionary and used to keep track of elements and ... Read More

A list in python can contain elements all of which may or may not be unique. But for a scenario when we need unique elements like marking the attendance for different roll numbers of a class. Below is the approaches with can use.With Set()A python set is a collection which ... Read More

While using Python dictionary we may need to identify each element of the dictionary uniquely. For that we have to assign unique IDs to each of the element in the dictionary. In this article we will see how to assign the same unique Id to an element if it is ... Read More

A python tuple is ordered and unchangeable. But it can also be made up of lists as its elements. Given a tuple made up of lists, let’s find out how many lists are present in the tuple.with len()In this approach we will apply the len function. The len() function will ... Read More

Given a list with sorted numbers, we want to find out which numbers are missing from the given range of numbers.With rangewe can design a for loop to check for the range of numbers and use an if condition with the not in operator to check for the missing elements.Example Live ... Read More