display problems. (Above the mobile phone mail site is the author tested a product)
Manipulating browsers to move forward and back
The browser has a backward, forward button, for browsing the Web site is more convenient for the students to do the Web Automation test should be a more difficult to simulate the problem; in fact, it's very simple, look at how Python is implemented
#coding =utf-8 from
Selenium import webdriver
import time
br
Let's look at the effect that the comma and the plus sign print separately in print.Here take Python3 as an example
1
Print ("Hello" + "World")
HelloWorld
1
Print ("Hello", "World")
Hello
World
A plus sign is found here to concatenate strings and
In python, Pycharm can output Chinese characters or print Chinese characters with garbled characters,
1. Make sure that the following code is added at the beginning of the file:
#-*-Coding: UTF-8 -*-
You can also add
Import sys reload (sys) sys. setdefaultencoding ('utf-8 ')
Make sure the following.
If Chinese garbled characters are still not resolved, proceed to method 2.
2. Go to setting
Click o
Python2.6 begins with the addition of a function Str.format () that formats the string, which enhances the functionality of string formatting. The basic syntax is to replace the previous% with {} and: . The Format function can accept no more than one parameter, and the position can be out of order.You can also format numbers:Detailed Description: http://www.runoob.com/python/att-string-format.htmlPython print
Liaoche python Tutorial
Generator section, there is a Yang Hui's topic.
The Yang Hui's triangle is defined as follows:
1
1 1
1 2 1 1 3 3 1 1 4 6 4 1 1-5 Ten 5 1
Think of each row as a list, try writing a generator, and keep outputting the list of the next line:
def triangles ():
l=[1] While
True:
yield L
l.append (0)
L = [l[i-1]+l[i] for I in range (len (L)) ]
# expect outpu
Print output line in Python, if you want to output more than the content of the line, you can add a comma after printFor exampleOne row per output" ABCDEFG " # Add your for loop for inch phrase: Print CharAbcdefgOutput on the same linephrase ="A Bird in the hand ..."#Add your for loop forCharinchphrase:if(char = ="A" orchar = ='a'):
The Sys.sdout.write standard input is equivalent to "%value%", the output has no spaces, and the print output has a space, for exampleWith Sys.sdout.write;Import sysfor I in range (1,11): for J in Range (1,i+1): #print "# #", sys.stdout.write ("$$") print ""Output$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
First, print the most commonly used 10 Linux commands#!/usr/bin/python#coding=utf-8import osfrom Collections Import Counterc = Counter () with open (Os.path.expanduser (' ~/. Bash_history ') as F:for line in f:cmd = Line.strip (). Split () if Cmd:c[cmd[0]]+=1print C.most_common (10)The effect is as follows:Second, find the duplicate files in the directory#!/usr/bin/pyth
false false, the loop ends.Use while to implement the For loop above, as shown below,count needs to initialize the value, and each count will need +1, otherwise it will be 1, into the dead loop. Ii. several ways of writing printHere are a few ways to do print:%s string%d int%.2f FloatOperators (arithmetic operators, comparison operators, logical operators)Arithmetic operators:+ Plus-Minus* Multiply/exceptFloating point Division (rounding)% take-up* *
In advance, if you don't understand Unicode and utf-8, please step into my other article and see what's going on-*-
The difference between print and repr can be easily understood in the Python terminal: First of all, the Chinese character "Yan" Unicode code is "\u4e25", in the terminal inputA = u "Yan" #enterPrint a #output: YanRepr (a) #output: "U ' \\u4e25 '"See clearly, please carefully compare
Python Script Example:1 ImportLogging.config2 #load the logging configuration file3Logging.config.fileConfig ("Logging_conf.ini")4 #get a logger named example5Logger = Logging.getlogger ("Example"# (If you create the name of the logger object simultaneous, it does not exist in the configuration file, it will inherit the root configuration)6 #print error message to file7Logger.debug (' Debug Info ')Example c
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