In order to convert a character value to ASCII code, the ord() function is used, and for converting ASCII code to character, the chr() function is used, as shown in the following screenshot:

Here, when we want to get the ASCII code for 'A', it shows 65, which you can easily get from the aforementioned table. The letter 'A' can be located on the sixth row and fifth column; thus, its value is 65. Likewise, we can get the letter corresponding to a particular ASCII code.