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Method and use of Python built-in module

編輯:Python

1. random Random modules

        

1.2 Actual case Randomly generated captcha

 2. os modular
        Working with the operating system

        

 

 os Other supplementary methods of the module

        

 3. sys modular

        Mainly with python Dealing with interpreters

4. Serialization module

         json Format data : Cross language transmission

 """
For the time being, it can be simply understood as
    Serialization is the process of converting other data types into strings
        json.dumps()
    Deserialization is to convert a string to another data type
        json.loads()
"""

 

 5. subprocess modular

 


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