4 Ways to Convert an Integer to a String in Python

4 Ways to Convert an Integer to a String in Python

 

Working with different data types is easy, until you need to combine them. Here are some techniques for using an int when all you need is a string. The world of programming is all about using strings and numbers. You’ll use these data types extensively, and work with them in everyday use. Sometimes you’ll need to convert between them, particularly when a language like Python is fussy about the difference. If you are dabbling in Python, it’s useful to learn the nuances of moving from one data type to another, seamlessly. In this article, we’ll demonstrate a few useful ways of converting a Python int to a string.

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Convert a Python Number to String

Often, you might want to print a simple message which is a mix of strings and numbers. But given Python’s restrictions, you might need to adjust your approach to use the print statement correctly.

For example, Python doesn’t make it easy to print messages composed of separate parts, like:

How To Convert Int To String In Python, Source: Youtube, Case Digital

I am Gaurav, and my age is 28 years.

Where Guarav is stored in one variable, and 28 in another.

However, Python does make integer to string conversion rather simple. To convert an int to a string, Python offers you various functions, each of which is easy to use.

Here's a piece of code that prompts for user input:

Name = input ('Enter your name: ')
Age = 28
print ('I am ' + Name + '. I am ' + Age + ' years old.')

The desired output is:

I am Gaurav. I am 28 years old.

Instead, Python throws the following error:

File " TypeError: can only concatenate str (not "int") to str"

This means you can’t combine a numeric and a string value using the + operator.

1. Use of str Function

The str function converts an integer into a string value. You have to use it as a prefix for any integer values.

Python str() Function, Source: Youtube, Finxter - Create Your Coding Business

The string value in the print statement is split into multiple parts so that the user-defined values are also incorporated.

2. Use of format Function

Python offers another useful function to convert a number into a string. The format() function is a faster and cleaner method for converting integers into strings.

The Python String .format() Method, Source: Youtube, Real Python 

The format function converts the integer into a string value before performing any computations.

3. Use of Positional Formatting

Positional formatting is one of the oldest methods in Python to convert an integer into a string.

Regular Expressions in Python: Positional formatting, Source: Youtube, DataCamp

To use positional formatting, use the "%s" % prefix in front of the number, and Python will do the rest.

4. Use of __str__() Method

Like the str() function, there is a __str__() method in Python, which is a close alternative for converting integers to strings.

Python Basics __str__ Method, Source: Youtube, Python Basics

 The __str__() gives a direct string representation of the integer.

Conclusion

Python is a user-friendly language, which is quite efficient for programming, data manipulation, and other data-related uses.

If you are planning to learn Python, there are a lot of renowned Python courses available online, which can be valuable resources to grasp the basics.

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