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This article mainly explains "what should novice learn Python pay attention to". Interested friends might as well take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "what novices should pay attention to when learning Python".

What does everyone do with Python?

Be a website backstage: there are a large number of mature frameworks, such as django,flask,bottle,tornado

Write web crawler: Python write crawler is very simple, the library is very sound

Scientific calculation: participate in the mathematical modeling contest, can completely replace r language and MATLAB

Data mining: machine learning: Python has a lot of machine learning packages

Data science: recently, spark,Hadoop has opened the interface of Python, so it is very easy to use Python to do big data's mapreduce.

Automated operation and maintenance: scripts for system deployment and daily maintenance

You can see the power of Python. Now I use Python to deal with some of the network data crawling needed for my work. For a rookie, what should be paid attention to and what are the key points in learning Python? what is the key point if you self-study Python to find a development job?

Learn Python, what exactly do you learn?

1) if learning Python is to understand the programming language, do some practical gadgets to improve efficiency, then the main content of learning should be Python network access (urllib, urllib2, requests), crawler-related libraries, regular expressions, BeautifulSoup,XPath,Excel, database MySQLdb module, etc., understand html web pages.

There is no problem with the skilled application of this knowledge, grabbing data from the network, and then analyzing and processing it.

2) if you want to learn the Python language and find a development job, look at the requirements of the position in the company.

84 Python development positions require Web development (back-end development) accounting for 43.3%, of which 81 positions explicitly require django.

118positions have clear requirements for Linux, accounting for 60.8% and 74 positions require experience in Java development, accounting for 38.1%.

26 positions have requirements for PHP, accounting for 13%

There are 4 operation and maintenance positions and 3 testing positions.

The number of senior engineer positions is 26, accounting for 13%

Work experience generally requires 2 years, and some positions require more than 2 years Python experience.

17 jobs related to crawler and data analysis, accounting for 8.7%.

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