# local variables, only variables in the function body can be called def Fun (): = 234 print(a) # global variables, declared outside the body of a function, can be called in the body of a function ' GYC ' def Fun (): = 234 Print(
Often use sleep time,Started using sleepxxx to showThis is still not intuitive.The effect is as follows:==================================sleep s===================================00:00 [================== ============================================
There is a simple rule of thumb to the tell == -you-use or is .
==is for value equality. Use it when you would like to know if both objects have the same value.
isis for reference equality. Use it when you would like to know
Os._exit () will terminate the Python program directly, and all subsequent code will not continue to execute.Sys.exit () throws an exception: Systemexit, if the exception is not captured, the Python interpreter exits. If there is code to catch this
function 11/1Function: Refers to the collection of a set of statements through a name (function name) to encapsulate, to execute this function, just call its function name is okay.Def sayhi (): Name of functionPrint ("Hello, I ' m Hequan")Sayhi ()
Python development "frontend": Csskylin Zhang published in 2016-11-10 13:13:57css style selectorSet the Style property on the label: First floor Second floor Third Level Write the corresponding style directly in the DIVID Selector
Generate 20 random files, the file name may be duplicated because no hash name is usedThere are 30-50 sequences in each fileEach sequence has a length of 70-120 baseimport osimport randomimport stringprint (dir (string)) Letter = string.ascii_
#!/usr/bin/env python #-*-Coding:utf8-*- w_sex = "female" m_sex = "Male" w_age = all m_age = Sex_inpu t = input ("Please enter your Gender:"). Strip () age_input = Int (input ("Please enter your Age:")) if sex_input = = W_sex and
Vamei source: Http://www.cnblogs.com/vamei Welcome reprint, Please also keep this statement. Thank you!After a preliminary understanding of Python's Many processes, we can continue to explore more advanced tools in the multiprocessing Package. These
Recently in Python with the Matplotlib draw line chart, encountered the axis "digital + scale" mixed display, title Chinese display, batch processing and many other Problems. By learning to solve, to Record. If there are errors or deficiencies,
Modify the default Python version.Python default version Modification
When multiple versions of Python are installed on the computer, and the default Python version in Shell is not what you want, you need to modify the default version of Python.
Detailed explanation of python Development Environment establishment, detailed explanation of python Establishment
Although there are a lot of articles on the Internet to build a python development environment, it is still necessary to record the
Python Method for operating hbase data, pythonhbase
Configure thrift
Python package thrift
The python compiler is pycharm community edition. in project Settings, locate the project interpreter, locate the package under the corresponding project,
Python calls HBase simple instances, and python calls hbase
A new engineer is not familiar with HBase, java is not familiar, and python is okay. I suggest that he consider using thrift call of HBase to complete the current work.
First, install
Python: Check whether a friend deletes himself. python: view a friend.
The example in this article shares with you the specific code deleted by a python friend for your reference. The specific content is as follows:
# Weixin. py # coding: UTF-8 #!
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