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Python Unichr Tutorial: Mastering Unicode Characters in Python

Python's unichr function is a powerful tool for working with Unicode characters in your Python programs. In this tutorial, we'll explore the ins and outs of the unichr function, including its syntax, usage, and examples. By the end of this tutorial, you'll be able to confidently use the unichr function to work with Unicode characters in your Python code.

What is the Unichr Function?

The unichr function is a built-in Python function that returns a Unicode character represented by a specific integer. The function takes a single argument, an integer, and returns a Unicode character. The unichr function is often used in conjunction with the ord function, which returns the Unicode code point for a given character.

Unichr Function Syntax

The syntax for the unichr function is as follows:

unichr(integer)

Where integer is the Unicode code point for the character you want to return.

Using the Unichr Function

Here's an example of how to use the unichr function to return a Unicode character:

print(unichr(65))  # Output: A

In this example, we pass the integer 65 to the unichr function, which returns the Unicode character 'A'.

Unichr Function with Non-ASCII Characters

The unichr function can also be used to return non-ASCII characters. For example:

print(unichr(233))  # Output: é

In this example, we pass the integer 233 to the unichr function, which returns the Unicode character 'é'.

Unichr Function with Unicode Code Points

The unichr function can also be used with Unicode code points. For example:

print(unichr(0x00E9))  # Output: é

In this example, we pass the Unicode code point 0x00E9 to the unichr function, which returns the Unicode character 'é'.

Unichr Function in Python 3

In Python 3, the unichr function has been replaced by the chr function. The chr function works in the same way as the unichr function, but it returns a Unicode character represented by a specific integer.

print(chr(65))  # Output: A

In this example, we pass the integer 65 to the chr function, which returns the Unicode character 'A'.

Conclusion

In this tutorial, we've explored the ins and outs of the unichr function in Python. We've seen how to use the unichr function to return Unicode characters, including non-ASCII characters and Unicode code points. We've also seen how the unichr function has been replaced by the chr function in Python 3.

FAQs

Q: What is the unichr function in Python?

A: The unichr function is a built-in Python function that returns a Unicode character represented by a specific integer.

Q: How do I use the unichr function in Python?

A: You can use the unichr function by passing an integer to the function, like this: unichr(integer).

Q: What is the difference between the unichr function and the chr function in Python 3?

A: The unichr function has been replaced by the chr function in Python 3. The chr function works in the same way as the unichr function, but it returns a Unicode character represented by a specific integer.

Q: Can I use the unichr function with non-ASCII characters?

A: Yes, you can use the unichr function with non-ASCII characters. For example: unichr(233) returns the Unicode character 'é'.

Q: Can I use the unichr function with Unicode code points?

A: Yes, you can use the unichr function with Unicode code points. For example: unichr(0x00E9) returns the Unicode character 'é'.

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