`chr()` Function in Python [ English ]

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1. Introduction

The chr() function in Python is a built-in function used to convert an integer (Unicode code point) into its corresponding character. In simple terms, it returns the character represented by a given ASCII or Unicode value.

Computers store characters internally as numeric codes, and the chr() function helps convert those numeric codes into readable characters.

2. Syntax

chr(number)

Parameter

• number An integer representing a Unicode code point.

3. Return Value

• Returns a character (string of length 1) corresponding to the given Unicode value.

4. Basic Example

print(chr(65))

Output

A

Explanation

• The Unicode (ASCII) value 65 represents the character 'A'.

5. Example with Another Value

print(chr(97))

Output

a

Explanation

• The Unicode value 97 corresponds to the character 'a'.

6. Example with Special Characters

print(chr(36))

Output

$

Explanation

• The Unicode value 36 represents the dollar symbol $.

7. Example with Unicode Characters

print(chr(9731))

Output

☃

Explanation

• Unicode value 9731 represents a snowman symbol.

8. Practical Example

for i in range(65, 71):
    print(chr(i))

Output

A
B
C
D
E
F

Explanation

• The program prints characters corresponding to Unicode values 65 to 70.

9. Relationship Between chr() and ord()

Example:

print(chr(65))
print(ord('A'))

Output:

A
65

10. Summary

• chr() is a built-in Python function used to convert a Unicode number into a character.
• It takes an integer argument representing the Unicode value.
• It returns a single character string.
• It works with ASCII and Unicode values.
• It is commonly used in character encoding and text processing.