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Python iterator, generator, detailed explanationĬatalogueiterator generator summaryiterator Before talking about iterators, we should first understand the concept of iteration: Generally speaking, the process of extracting data from an object in turn is called traversal, and this means is called iteration (repeatedly executing a certain piece of code block, and taking the result of each iteration as the initial value of the next iteration). Conversion issues: str => int int (str) int => str str (int) int => bool bool (int) 0 is False non 0 is ”……” Boolean The values are only True and False. What integers can do: bit_length (), calculates the length of the octal code that the integer occupies in memory 3. set => set, save large amount of data, can not be repeated, in fact, does not save the value of the dict Integer In python3 all integers are of type int, but in python2 if the amount of data is too large, the long type is used. ![]() dict => dictionary, save key-value pairs, so you can save volume data 7. list => stores the volume data, indicated by 5. str => string, can save a small amount of data and perform the corresponding operation 3. int => integer, mainly used for mathematical operations 2. Python Basics (6): Basic Data Type One (int, bool, str)īasic data type 1. In this way, we can log in to the wechat public platform with the new password. After submitting, we will be prompted that the wechat password has been changed successfully. At this time, we need to enter a new password, which must be remembered, as shown in the figure below:Ħ. In the next interface, we are required to enter a new password. We need to log in to the email, find the email, open it, and click the link to change the password. WECHAT OFFICIAL ACCOUNT PLATFORM CHANGE LANGUAGE VERIFICATIONAfter entering the email, click next, and the verification information will be sent to the email. Enter the email address you bound at that time in this interface. Let me take the method of retrieving the password by email as an example. In the method of retrieving the password through QQ and email, we can choose according to what we bind at that time. After clicking “unable to log in”, we can see the verification method of QQ and email in the next interface, that is, we can retrieve the password through QQ or email. ![]() We directly enter the login interface of wechat public platform, find “unable to login”, and then click. Wechat computer version pc version v3 3.5 latest Chinese official installation versionġ. ![]()
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