The ord function is a library function in Python that is used to get a numeric value from a given character value.

ord function accepts a character and returns an integer, i.e., it is used to convert a character to an integer, i.e., it is used to get the value of a given character in ASCII. ord function is mainly used to return the ascii code of the corresponding character, chr is used to denote the ascii code of the corresponding character he inputs the number of digits, which can be in decimal or in hexadecimal. The following is an example of a chr function.

ord library function is to put the function into the library, for others to use a way. The method is to put some commonly used functions into a file for different people to call. Call when it is in the file name with #include<> added to the inside can be. Usually it's in a lib file.

Tips for using python:

1, use built-in functions and modules: Python has many built-in functions and modules, such as len(),sum(),random, etc., which can be used to perform common tasks. Proper utilization of these functions and modules can simplify the code.

2, the use of generators (Generators): generators are a special kind of iterator that can generate values when needed, rather than generating all values at once. This can save memory, especially for large data sets.

3, the use of decorators (Decorators): decorators can add additional functionality to a function without changing the internal code of the function. For example, you can use a decorator to record the execution time of a function.

4, the use of context managers (Context Managers): Context Managers allow you to perform specific actions at the beginning and end of the code block, such as opening and closing files, acquiring and releasing locks. This can be done by using the with statement.