anaconda python 2 7

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Python core programming, Version 2, 160th, page 6, chapter 6 Exercise continued 3-answers to Python core programming-self-developed-

(1, num_num + 1)Print "BEFORE:", fac_list I = 0 While I If num_num % fac_list [I] = 0: # Check whether the input number can be divisible by an element in the list.Del fac_list [I]I = I + 1 Print "AFTER:", fac_list[Execution result]Enter a number: 12BEFORE: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]AFTER: [2, 4, 5, 7, 8,

Self-taught Python 9 crawler practice 2 (meitu welfare), python Crawler

Self-taught Python 9 crawler practice 2 (meitu welfare), python Crawler As a young man with ideas, culture, and morality in the new century, in this society, I am so distressed that I am playing slowly to resist Baidu, it's okay to go online and visit YY. It's essential to look at the beautiful pictures. However, although the beautiful pictures are difficult to f

Python learning notes (4) Numbers (2) and python learning notes

Python learning notes (4) Numbers (2) and python learning notes Python Division in Python2 1 >>> 3 / 6 2 0 3 >>> 3.0 / 6 4 0.5 5 >>> 3.0 / 6.0 6 0.5 7 >>> 5 / 2 8

Python small algorithm (2), python Algorithm

Python small algorithm (2), python Algorithm There are two sequences a and B, all of which are n in size. The values of the sequence elements are unordered due to arbitrary integer numbers; Requirement: by exchanging elements in a and B, the deviation between [Sum of Element a] and [Sum of Element B] is minimized. (Huawei interview) Def diff (sorted_list, leng

Python Chapter 2-python and the World Wide Web

.2cto.comNow, assume that you have a messy HTML file called messy.html. The following program runs Tidy on the file and prints the result: 3. Use HTMLParser: After the XHTML code in good format is obtained above, we can use the standard library module HTMLParser for parsing. We only need to inherit HTMLParser and overwrite the event handling methods such as handle_starttage or handle_data. Summarizes some related methods and when the parser automatically calls them. The following code uses the H

Python implementation of Python and data structure [2], queue/queue[0], array queue

): - ifSelf.is_empty: - RaiseQueueemptyexception ('error:trying to dequeue element from an empty queue') AFront =Self.queue[0] +Self.queue = self.queue[1:] the returnFront - $ defClear (self): theSelf.queue = [] the the the defTest (queue): - Print('\ninit Queue:') inQueue.init ([1, 2, 3, 4, 5, 6, 7]) the queue.show () the About Print('\nenqueue element to queue:'

Python core programming version 2, 407th page, Chapter 4 exercises continued 5-answers to Python core programming-self-developed-

_ (self, stackList): self. stackList = stackList def push (self, topItem): self. stackList. append (topItem) print 'item', topItem, 'is pushed on the top of Stack. 'print 'the updated Stack is: ', self. stackList, '\ n' def popvalue (self): if findPop () = True: topItem = self. stackList. pop () print 'item', topItem, 'has been poped. 'print 'the updated Stack is: ', self. stackList, '\ n' else: topItem = self. stackList. pop [-1] print 'item', topItem, 'has been poped. 'self. stackList = self.

Object-oriented 2 of Python

say that this thing is modular. Lego bricks are probably the best examples of modularity. You can take a bunch of different bricks and build different things with them.In Python, a module is a similar part that is contained in a larger program. Each module or part is a separate file on the hard disk. A large program can be decomposed into multiple modules or files. Or you can, in turn, start with a small module and gradually add other parts to build

Cython, accelerated Python, Protection Code (2): Faster the code via static Typing__python

PYTHON-C-API to help you complete the work and eventually weave it into a shared library file (. So). So you can import it directly through the import in Python code. In general, two common scenarios for using the C + + module in Python are that the original Python code is too poor to have a ready-made C/s + + direct

With old Ziko Python's capacity is large list (2) _python

; La.count (2) 1 >>> la.count (5) #NOTE: There are no 5 in LA, but if you look for it in this way, no error, return the number 0 0 The position of the element in the list It has already been mentioned in the list (1) of the large capacity, you can index the elements in the list from left to right, starting with 0, and indexing (if you start from right to left, numbering from 1), you can extract an element, or a few elements, from the index. I

Python bubble sort (2)

Bubble sort: Return a number to a digit each time by comparing it to neighboring elementsPython code:"""Bubble Sort (2) in the unsorted number, by 22 comparison [transposition], the smallest number to the first n number of orders, you need to execute the N-1 wheel, the 1th round of N-1 times, the subsequent round than the previous round less than 1 times in this case: the 1th round will be 0 in the correct position; 2nd wheel will 1 in the correct pos

Python Basics (2)-Basic concepts

referencing the default Python version of the system, so the Python program may be problematic when it is ported to other machines because the default Python version of the other system is not the same as you expected.The #!/usr/bin/env python notation, which refers to the custom

Introduction and usage of 2 Python memory detection tools _python

When I wrote a program myself last year, I was unsure of my memory usage and wanted to find a writing tool to print the memory usage of a program or function.Here is a record of the basic usage of the last 2 memory detection tools found, as well as the need for future analysis of Python program memory usage. Memory_profiler module (used with Psutil)Note: Psutil This module, I love it, it implements a lot o

Python Object-oriented class (2)

)" creates the second object of the employee class "EMP2 = Employee (" Manni "," the "x) EMP 1.displayEmployee () Emp2.displayemployee () print "Total Employee%d"% Employee.empcount  Execute the above code to output the result as follows:Name: Zara, Salary: 2000Name: Manni, Salary: 5000Total Employee 2  You can add, remove, and modify the properties of the class as follows:Emp1.age = 7 # Add an ' age '

Python Learning (2)

empty the last index:Such as:>>> numbers = [1,2,3,4,5,6,7,8,9,10]>>> numbers[-3:][8, 9, 10]The same approach is appropriate for the elements that begin the sequence>>> Numbers[:3][1, 2, 3]The step you just took is the default value of 1, can you take other steps? Of course, there are usually two colons, and the number corresponding to the last colon is the step size.>>> Numbers[0:10:2][1, 3, 5,

Python daily Class (2): Platform

According to the Official document explanation (Https://docs.python.org/3.5/library/platform.html#module-platform):The code for learning other people is as follows:#Python platform#Author:hongten#Mailto: [email protected]#Blog:http://www.cnblogs.com/hongten#qq:648719819#version:1.0#create:2013-08-28ImportPlatform" " In Python, the platform module gives us a lot of ways to get information about the operat

Self-hing AI------------the basics of Python entry (2) list and Ganso

countdown starts>>>nub3=number[:] #也可不输入索引, the entire array is obtained>>>nub4=number[0:7:2] #对于这种情况python为我们提供了另一个参数----Steps, the parameter is stealth set, also can understand the default step is 1>>>print nub[2,3]>>>print NUB2[6,7]>>>print NUB3[1,2,3,4,5,6,7,8]>>>print NUB4[1,3,5,7]3. Sequence addition: Use Plus>>>a=[1,2,3]>>>b=[4,5,6

Python core Programming 2 The fourth chapter after class practice

4-1 Python object. What are the three properties related to all Python objects? Please describe it briefly.Identity: The unique identity type of an object: the type of the object determines what type of value value the object can hold: The data item represented by the object4-2 type. What does non-change (immutable) mean? What types of

Tutorial on installing Python and OpenCV on Raspberry Pi 2 or Raspberry Pi B +

Pi B +: less than 2 minutes Raspberry Pi 2: less than 30 secondsStep 6: Install pip: $ wget https://bootstrap.pypa.io/get-pip.py$ sudo python get-pip.py Time consumed: Raspberry Pi B +: less than 2 minutes Raspberry Pi 2: less than 30 secondsStep

Learning Python version 2 Notes-Chapter 3 how to run your program

This article describes how to run a python program. There is not much valuable information, as shown below: 1. The first method is interactive coding, which is to input a statement in the python shell. The cost of doing so is that the Code will be executed once it is input, and can be used for fast unit testing (for example, if you want to know how to write a code to meet your needs, this mode can be used

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