Here the main catch in the question is “one pass”. What does it mean? It means you get to traverse the list only once and there’s no coming back to a node once you’ve traversed it. But to calculate the middle element you will require the length of the entire LinkedList, right?
定义一个子类:Teacher, 有 tno(教师号) 属性, 有 question() 定义一个子类:Student, 有 sno(学号) 属性, 有 answer() 打印 老师的信息 和 学生的信息 老师调用 question(), 把 下面的字符串持久到 question.txt 文件 1 + 2 = 3 * 5 = 9 - 1 = 100 * 3 = 3000 - 1000 = 学生调用answer(),...
So another question the interviewer could ask is: what’s the difference between these two methods and what’s the best one? The answer here is that while list comprehension creates a list, the map function simply returns a map object that is a Python iterable and that is lazy. This means...
A function in Python is a block of reusable code that performs a specific task. In Python, functions are defined using the “def” keyword, followed by the function name, and a set of parentheses that may include parameters. The function body is indented and contains the code that performs ...
This post will include the questions that are Python specific and I’ll post the Django question separately. How are arguments passed – by reference of by value? The short answer is “neither”, actually it is called “call by object” or “call by sharing”(you can checkherefor more in...
Discuss this Question 22. The if statement is the most fundamental decision-making statement?True FalseAnswer A) TrueExplanationThe if statement is the most fundamental decision-making statement, and it determines whether or not the code should be executed based on whether or not the condition is...
f you want your code to run faster,you should probably just use PyPy.”，这是对CPython最大的...
动态类型和鸭子类型（Duck Typing）：Python是一种动态类型语言，变量的类型在运行时确定。鸭子类型指的是...
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In the code above, we first preprocess the image and the question and get preprocessed PyTorch tensors called inputs. These tensors are then sent to the model to get the answer. This answer is currently represented by tokens and needs post-processing so that it can be read by humans. In...