To produce a range of letters (characters) in Python, you have to write a custom function that: Here is the code for creating a range of characters in Python: Output: This is the quick answer. Feel free to use this code in your project. However, to understand how it works, let’s build this function from …
To find the index of a list element in Python, use the built-in index() method. For example, let’s find the first string that equals “Bob” in a list of strings: To find the index of a character in a string, use the index() method on the string. For example, let’s find the first occurrence of …
Python How to Find Index in a List: The index() Function Read More »
To pick a random element from a list in Python, use the random module’s choice() method: Output (example): This provides you with a quick answer. However, there are other ways you can consider. Let’s take a deeper look at randomly picking elements from lists in Python. 6 Ways to Get Random Element from a List …
Get Random Element from a Python List—random.choice() Read More »
Python string comparison is possible using the comparison operators: ==, !=, <, >, <=, >=. For example: String Comparison in Python Python comes with a list of built-in comparison methods: ==, !=, <, >, <=, >=. You commonly see comparisons made between numeric types in Python. But you can compare strings just as well. As …
Python String Comparison: A Step-by-Step Guide (Examples) Read More »
The ‘u’ in front of a string means the string is a Unicode string. A Unicode is a way for a string to represent more characters than a regular ASCII string can. In Python 2.x shell, you can see how for example a text written in Russian converts to a Unicode string with ‘u’ in …
Python ‘u’ in Front of a String: What Does It Do? Read More »
To sort a Python list, use the built-in sort() method. For example: Output: Or to reverse sort a list of numbers, you can do: These two are some basic uses of the sort() method in Python. But you can do a lot more with it too, such as: To learn how these and much more, …
Python continue statement is one of the loop statements that control the flow of the loop. More specifically, the continue statement skips the “rest of the loop” and jumps into the beginning of the next iteration. Unlike the break statement, the continue does not exit the loop. For example, to print the odd numbers, use …
Python ‘continue’ Statement—A Complete Guide (+Examples) Read More »
In Python, None is an object implemented by the NoneType class. In Python, None represents an absence of a value in a variable. In Python, None is what would be a null in other commonly used programming languages. Unlike the null in the other languages, Python’s None has nothing to do with values 0 or …
In Python, a mutable object can be changed, but an immutable object cannot. For example, a tuple is an immutable data type. You cannot change its elements after creating it: In contrast, a list is a mutable collection. You can change its contents afterward: This is a comprehensive guide to understanding the concepts of mutable …
Python Mutability: What Does It Mean & How Does It Work Read More »
In Python, copying a list can be unintuitive for beginners. This is because you cannot use the assignment operator to take an independent copy of a list. To create an independent copy of a list in Python, you need to use the copy module’s deepcopy() function like this: This comprehensive guide teaches you how to …
How to Copy a List in Python? (Why It Fails with ‘=’ Operator) Read More »
