In Python, there are two methods for Gettting Help as follows:
1 Using the dir function, the parameters of the dir can be a real object instance or a data type. In any case, the dir function returns all the methods associated with the object or the data type.
2 Using help, the parameters of the help function can be a data type or a data type. Method, the former lists all the methods and methods associated with the data type, and the latter only lists the instructions for the use of the specified method.