A: Use *args when we aren't sure how many arguments are going to be passed to a function, or if we want to pass a stored list or tuple of arguments to a function. **kwargs is used when we dont know how many keyword arguments will be passed to a function, or it can be used ...
39.values和values_list的区别? 40.如何使用django orm批量创建数据? 41.django的Form和ModeForm的作用? 42.django的Form组件中,如果字段中包含choices参数,请使用两种方式实现数据源实时更新。 43.django的Model中的ForeignKey字段中的on_delete参数有什么作用? 44.django中csrf的实现机制? 45.django如何实现websocket?
n Python,remove()is a function that removes the first occurrence of a specified element from a list, whereasdelis a statement that can be used to delete an item from alistor a variable from memory. Theremove()function raises aValueErrorif the specified element is not found in the list, w...
Facebook/Meta Python interview questions The exact questions you’ll encounter at Meta depend largely on the role. However, you might expect some of the following: 30. Can you find the maximum single sell profit? You are provided with the list of stock prices, and you have to return the...
1,可变类型有list,dict.不可变类型有string,number,tuple.2,当进行修改操作时,可变类型传递的是内存中的地址,也就是说,直接修改内存中的值,并没有开辟新的内存。3,不可变类型被改变时,并没有改变原内存地址中的值,而是开辟一块新的内存,将原地址中的值复制过去,对这块新开辟的内存中的值进行操作。
恋猫 BAT大厂Python面试题精选,看完后离拿到offer只有一步之遥(含答案) Python是目前编程领域最受欢迎的语言。在本文中,我将总结华为、阿里巴巴等互联网公司Python面试中最常见的30个问题。每道题都提供参考答案,希望能够帮助你在求职面试中脱颖而出,找到一份… 新智元发表于新智元打开...
know how to create full-scale Python applications, but sometimes the questions can be tricky. To help you prepare for your next Python job interview or just refresh your knowledge of thePython programming language, we have compiled a list of questions you might run into at your next interview...
The ‘filter()’ function in Python is used to filter the elements of an iterable, such as a list or a tuple, based on a given function and return an iterator of the elements that pass the test. What is the use of ‘reduce()’ function in Python? The ‘reduce()’ function in Pyt...
Python Interview QuestionsEquity Press
A list can be changed by internal operations. A tuple cannot be changed; it can only be operated on. Different methods are used for each. Q: Write a sample program to print the complete contents of a file, with a way to catch a missing file. ...