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Network Programming: Breakpoint Continuation
Web framework: for writing Web sites
Design pattern + algorithm
High-level languages: Java, C #, PHP, Go, Ruby, C + + ...
Low-level language: C, compilation
Machine code and bytecode: high-level language generation bytecode, low-level language generation machine code
The contrast between languages:
PHP class: For writing Web pages, limitations
Python Java: Can write Web pages can also write background functions
Python performs less efficiently and with high development efficiency
Java execution efficiency and low development efficiency
Python type:
Jpython, IronPython, Javascriptpython, Rubypython, CPython, PyPy (Python developed with CPython)
Environment variables are separated by semicolons
The python suffix name can be arbitrary, and cannot be arbitrary when importing the module, if it is not. py File Error
Interpreter path Linux-specific: #!/usr/bin/env python
The encoding python2 needs to be added: #-*-Coding:utf8-*-
High-level and low-level languages for Python learning