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Python - replace first n characters in string

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Created by:
Zachary
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In this article, we would like to show you how to replace first n characters in string in Python.

Quick solution:

 

Practical example using replace() method

Edit

In this example, we use replace() method to replace first n characters in the text string.

We use the following syntax:

Where:

  • old - is a substring to replace,
  • new - is the replacement,
  • count (optional argument) - is the number of times we want to replace the specified substring. You need to set it to 1, so you won't replace anything but the first occurrence of the substring.

Practical example:

Output:

Note:

If you don't set the count argument, by default the replace() method will replace all occurrences of the ABC substring.

Output:

References

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Python - replace first n characters in string
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