Seven Python Compare String Methods for Dummies

How does Python compare string? Since strings are the most used data types in Python, so we thought to simplify the string comparison operations. In this tutorial, we’ll explain how to create string objects, how to use quotes with them, and most importantly the seven ways of comparing strings in Python.

Unlike Python string replace() method, we don’t need a function to compare strings. Instead, it provides a bunch of comparison operators to do the job for you. So Python makes programming easy for its users. It’s like an elastic which you can stretch but should be wise enough to not crossing the limits.

Since the scope of this blog post limits to string comparison, so we suggest reading the following Python tutorial to see a broad coverage on strings. It’ll help you learn Python to the depth.

Before we take on the seven Python compare string methods, let’s start the topic by answering some how-tos of Python string literals.

  • How to create a simple string in Python?
  • How to create a Unicode string in Python?
  • How does Python store strings in memory?

1- Incarnate Strings in Python.

Python has many intuitive ways of instantiating strings which could be vital for coding in a script. Let’s begin to address them before we move to learn about the Python compare string methods.

1.1- How to create a simple string in Python?

In Python, we can create strings with single quotes, double quotes, and as well as with triple quotes. When we use triple quotes, strings can span many lines without adding an escape character. Try running the below code snippet in your Python shell.

Note: For testing the Python code online, read about several online Python shells from our blog.

Code snippet:

1.2- How to create a Unicode string in Python?

If you want to make use of Unicode strings, then add a prefix with an ‘u’ or ‘U’ to the text. And for your reference here is an example.

Note: If you want to create and test other Unicode strings, then use this online Unicode converter.

Code snippet:

1.3- How does Python store strings in memory?

It’s a known fact that you can’t change a string after its creation. It turns immutable after instantiation. Also, for your note that you can use the id() method to know the memory location of any object in Python. It’ll help you verify the statement made here.

You can yourself check it by running the below code snippet.

Code snippet-1:

The output of the given code snippet proves our point that both string variables (str1 & str2) are pointing to the same memory location.

Interestingly, if you do modify a string, then Python will produce a new string object.

Code snippet-2:


2- Python Compare String Methods.

Python string compare methods are the easiest to use. No other programming language comes even close in comparing strings as Python does. It provides a range of operators to compare two strings.

2.1- Seven String Comparision Operators in Python.

We call these operators as Relational operators. They can compare the operands on either side of the condition.

Python compares string lexicographically i.e. by verifying the ASCII value of the characters.

Code snippet:

Dry Run:

When you execute the above code snippet, it’ll yield the following results.

Seven Python Compare String Methods

Seven Python Compare String Methods.

Final Word.

This tutorial on “Seven Distinguished Python Compare String Methods” was in continuation of our promise to bring each topic of your interest as simple as you could perceive it. Hence, we tried to add all micro-level about Python strings.

We wish this post could have made you more informed than you were before reading it.


All the Best,


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