Introduction to ASCII Table

The ASCII (American Standard Code for Information Interchange) table is a character encoding standard used in computers and other devices that use text. It defines 128 characters, from 0 to 127, which include letters, numerals, punctuation marks, and control characters.

Useful ASCII Table API Examples

Below are various API functions and their code snippets for working with the ASCII table:

1. Convert Character to ASCII Code

Get the numeric ASCII code for a character:

def char_to_ascii(c):
    return ord(c)

print(char_to_ascii('A'))  # Output: 65

2. Convert ASCII Code to Character

Get the character representation of an ASCII code:

def ascii_to_char(code):
    return chr(code)

print(ascii_to_char(65))  # Output: 'A'

3. Check if a Character is Printable

Determine if a character can be printed:

def is_printable(c):
    return c in set(chr(i) for i in range(32, 127))

print(is_printable('A'))  # Output: True print(is_printable('\n'))  # Output: False

4. Get Hexadecimal Value of an ASCII Code

Convert an ASCII code to its hexadecimal value:

def ascii_to_hex(code):
    return hex(code)

print(ascii_to_hex(65))  # Output: '0x41'

5. Get Binary Value of an ASCII Code

Convert an ASCII code to its binary value:

def ascii_to_bin(code):
    return bin(code)

print(ascii_to_bin(65))  # Output: '0b1000001'

Sample Application Using ASCII Table APIs

Here’s a small application demonstrating the use of the above API functions:

def main():
    string = "Hello, World!"
    print("Original string:", string)

    # Convert string to ASCII codes
    ascii_codes = [char_to_ascii(c) for c in string]
    print("ASCII codes:", ascii_codes)

    # Convert ASCII codes to binary values
    binary_values = [ascii_to_bin(code) for code in ascii_codes]
    print("Binary values:", binary_values)

    # Convert ASCII codes back to characters
    chars = [ascii_to_char(code) for code in ascii_codes]
    reconstructed_string = ''.join(chars)
    print("Reconstructed string:", reconstructed_string)

if __name__ == "__main__":
    main()

This application takes an input string, converts each character to its ASCII code, then to its binary representation, and finally reconstructs the original string.

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