spyder python

With Anaconda's Spyder: New train_test.py#!usr/bin/env python#-*-coding:utf-8-*- ImportSYSImportOSImport Time fromSklearnImportMetricsImportNumPy as NPImportCpickle as Pickle reload (SYS) sys.setdefaultencoding ('UTF8') #multinomial Naive Bayes ClassifierdefNaive_bayes_classifier (train_x, train_y): fromSklearn.naive_bayesImportMULTINOMIALNB Model= MULTINOMIALNB (alpha=0.01) Model.fit (train_x, train_y)

---restore content starts---1.map1) map is actually quite right. The operator does an abstraction and returns an object, but here is no idea why you can't print two times for a map return variable, because it's recycled? def f (x): return x*xtmp = Map (F,range (6)) Tmps = Map (Str,range (6)) Print (List (TMP)) #print (list (tmps)) print (Type ( Range (6)) #range返回的就是range类型 2) reduce requires more than two parameters to be used, typically a list on the scope, such as the sum below1 tadd = red

This article describes how to use the Pythonemail module and the smtplib library to send emails. you can use the Python email module to send emails with attachments. SMTP (Simple Mail Transfer Protocol)The Mail Transfer Agent (MTA) program uses the SMTP protocol to send emails to the recipient's Mail server. The SMTP protocol can only be used to send mails and cannot be used to receive mails. Most email sending servers use the SMTP protocol. The defa

Python network programming Python socket programming, python Network Programming Python provides two levels of network services for access. Low-level network services support basic Sockets. It provides the standard BSD Sockets API and can access all the methods of Socket interfaces of the underlying operating system.So

Python learning notes (13) Python functions (2), learning notes python Functions Parameters and variables 1 >>> def foo (a, B): # function is an object 2 return a + b3 4 >>> p = foo # object assignment statement. Assign the foo function to the variable p. 5 >>> foo () 6 97 >>> p () Variable p points to the function foo 8 99 >>> PASS Parameters by reference Assign

Python learning-Python container (list, tuples, Dictionary, set), python dictionary List: The list is ideal for locating an element by order and position, especially when the order or content of the element changes frequently. Unlike strings, the list is variable.You can directly modify the original list: add new elements, delete or overwrite existing elements.

A pit, don't know why, just record it.1 while loop! = 0:2 // omit operation 3 print loop4 if loop = = 0:5 print (ID (loop))6 print (ID (0))Running results in Python 2.7Skip loop printing with loop not 003809311234396768Running results in Python 3.xSkip loop printing with loop non 0 0495494208495494208Loop is iterated (not-1) in the search, such as modulo operationsIn the pro

Review Python string knowledge points and python string knowledge points String It is very easy to create a String object in Python. You only need to put the required text in a pair of quotation marks to create a new string (see Listing 1 ). If you think about it, you may be confused. After all, there are two types of quotation marks available: single quotation m

About Python founder of 1:pythonPython (United Kingdom pronunciation:/?pa?θ?n/American pronunciation:/?pa?θɑ?n/), is an interpreted, object-oriented, dynamic data type of high-level programming language, by the Dutch Guido van Rossum invented in 1989, the first public release version was released in 1991.The founder of Python is Guido van Rossum (Guido van Rossum). During the Christmas of 1989, G

When you install Debian Linux, the installation process may also provide you with multiple Python versions available, so there will be multiple Python executable binaries in the system. You can use the LS command to see that Python binaries are available in your system as follows. $ ls/usr/bin/python* /usr/bin/

Python module and package, python Module 1. The. py file can be viewed as a module, which is similar to the class library encapsulated in other languages. Module category:Built-in modulesCustom ModuleThird-party module (installation required for use) I want to use the function defined in cal. py. Cal. py source code: #!/usr/bin/python#coding:utf-8def add( a, b ):

Python core programming 2 Chapter 3 after-school exercises, python after-school exercises 1. identifier. Why is variable name and variable type declaration not required in Python? Variables in Python do not need to be declared. Variable assignment is a process of variable declaration and definition. Each variable creat

Ref: http://net.tutsplus.com/tutorials/the-best-way-to-learn-python/ postMark Dunne Python is more popular than ever, and is being used everywhere from back-endWeb servers, to front-end game development, and everything in. python is a true general purpose language and is quickly becoming a must-have tool in the arsenal of any self-respecting programmer. But

1, what is pickling and unpickling? (1 points)The Pickle module accepts any Python object, converts it to a string, and dumps it into a file using the Dump function, which is called pickling. The process of retrieving the original Python object from the stored string representation is called unpickling.2. How does Python work as an interpreted language? (1 points

Exploit-db.com has recently exploded a strange vulnerability. As long as the root user is tempted to execute the help ('modules') command in the current directory through python or python-wrapper, the background will execute the test. py script in this directory with the root permission./// Adalia is a common user. The following shows the permissions and script content of test. py. One of the script content

In Python, what does % mean? In python, how does one use semicolons ?, Python percent sign Two common Type 1: Numeric operation 1% 3 refers to the modulo operation, with the remainder (remainder) >>> 7% 21 #-*-Coding: UTF-8-*-'''python reads a file, outputs a file in an even row, and outputs a file in an odd row '''

Learn Python 11 Python crawlers and python Crawlers After a few days of learning and trying to get a little bit of experience with python crawlers, we gradually find that they have many commonalities and always need to get a series of links to read Web code, obtain the required content and repeat the above work. When w

MIT uses Python as the language of instruction in introductory classes. Reply content:First of all, the university textbook update Slow is true, as long as in the university library to see the number of Access and VB books to know. Of course, some people say that college is the basic ability, but I think this explanation is very reluctant, because learning basic ability and learning not to learn new things is not contradictory, new things can not lear

When you install Debian Linux, the installation process may provide you with multiple available Python versions at the same time. Therefore, the system will have multiple executable binary files of Python. Generally, the default Python version of Ubuntu is 2.x. how can I change the default Python version? Let's take a

You must prepare the Python programmer interview questions in advance! (Answer and resolution), python programmer You must prepare for these questions before releasing "Python programmer interview". After the article, in response to the strong requirements of the majority of programmers and friends, xiaobian compiled a reference answer to the essential questions