Python Strings: Center Vs Join Methods

In Python, with strings, you can use center and join methods for different purposes. Here are the best examples and the differences.

Table of contents

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Center method

The center method is used to center-align a string within a specified width. It takes two arguments: the width of the resulting string, and an optional character to fill the empty space (default is a space). The original string is placed in the center, and the remaining space on both sides is filled with the specified character.

original_string = "Python"
centered_string = original_string.center(10, '*')
print(centered_string)

Output

**Python**




** Process exited - Return Code: 0 **

Press Enter to exit terminal

Join method

To concatenate a list of strings into a single string, you can use the join method using a specified delimiter. It is a string method that takes an iterable (e.g., a list or tuple) of strings as its argument. The method joins these strings with a delimiter.

words = ["Hello", "World", "Python"]
joined_string = " ".join(words)
print(joined_string)

Output:

Hello World Python

Conclusion

Use the center method to align a string within a specified width.
Use join to concatenate a list of strings into a single string, with a specified delimiter between them.
Remember that these methods do not modify the original strings; they return new strings with the desired modifications.

Srini

Data Engineer with deep AI and Generative AI expertise, crafting high-performance data pipelines in PySpark, Databricks, and SQL. Skilled in Python, AWS, and Linux—building scalable, cloud-native solutions for smart applications.