The answer to this question is an addition to the explanation in the previous section. Try putting a negative value, such as -1 or -2 to the index operator to retrieve the last element of our biggerZoo list! Not too hard, is it? What does the Index out of Range Error Mean? This ...
print(" ".join(str_list)) # sort 与 sorted 区别: # sort 是应用在 list 上的方法,属于列表的成员方法,sorted 可以对所有可迭代的对象进行排序操作。 # list 的 sort 方法返回的是对已经存在的列表进行操作,而内建函数 sorted 方法返回的是一个新的 list,而不是在原来的基础上进行的操作。 # sort使用...
Question 3: Which of the following list comprehensions creates a list of even numbers from 0 to 10? [x for x in range(11) if x % 2 == 0] [x for x in range(11) if x % 2 == 1] [x for x in range(10) if x % 2 == 0] ...
def Q88(li): seen=set() for i in li: if i not in seen: seen.add(i) print(list(seen)) # # Question 89 # # Define a class Person and its two child classes: Male and Female. All classes have a method "getGender" which can print "Male" for Male class and "Female" for Femal...
17. The Ultimate List of Python YouTube Channels – Real Pythonhttps://realpython.com/python-you...
27. How do you find the middle element of a linked list in one pass? 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...
Thezip()function in Python is used to “zip” orcombine two or more lists into a single iterable object, which can then be looped over or converted into a list. For example, if we have two lists,list1andlist2, we can use the zip() function to create a new list that contains tuple...
Use thesplit()method to split a string into a list of words. Reverse each word from a list finally, use thejoin()function to convert a list into a string + Show Solution Steps to solve this question: First, open the file in read mode. ...
Click the Show/Hide toggle beside each question to reveal the answer. What is the difference between lists and tuples in Python?Show/Hide When would you prefer tuples over lists?Show/Hide How do you create a list from a tuple in Python?Show/Hide What's the point of a tuple?Show...
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...