In this first example, we will use Python’s index() method to get the index of the search element in the list:try: index = my_list.index(search_element) except ValueError: index = None print(index) # 2In this
33%27%24%16%Element Distribution in List1234 在上面的饼状图中,我们可以看到元素1出现了25次,元素2出现了20次,元素3出现了18次,元素4出现了12次。 总结 通过本文的介绍,我们了解了lastindex方法在Python3中的用法,以及如何使用它来查找列表中某个元素的最后一个位置。同时,我们还通过示例代码和饼状图展示了...
Traceback (most recent call last): File "*lt;string>", line 13, in ValueError: 'i' is not in list
# Python Listindex() Method with Example# declaring the listsx = ["ABC","XYZ","PQR","ABC","XYZ","PQR"] y = ["PQR","MNO","YXZ","YXZ"] z = ["123","456","789"]# printing the findex of given elementprint('x.index("ABC"):', x.index("ABC")) print('y.index("YXZ")...
PythonServer Side ProgrammingProgramming When it is required to get the negative index of an element in a list, the ‘len’ method and the ‘index’ method are used. Below is a demonstration of the same − Example Live Demo my_list = [52, 47, 18, 22, 23, 57, 13] print("The ...
In this tutorial, we will learn about the Python List index() method with the help of examples. Theindex()method returns the index of the specified element in the list. Example animals = ['cat','dog','rabbit','horse'] # get the index of 'dog' index = animals.index('dog') ...
In Python, indexing refers to the process of accessing a specific element in a sequence, such as a string or list, using its position or index number. Indexing in Python starts at 0, which means that the first element in a sequence has an index of 0, the second element has an index ...
Recommended Tutorial:Python Finding Things — Ultimate Guide for Python Lists Find The Index when List has Duplicate elements Theindex()method is used to find the first lowest index of the element, i.e. in case of duplicate elements it will return the first element’s index as shown in the...
Rangeerror often occurs when working with lists andforloops. You see, in Python, when you attempt to access an element using an index that lies outside the valid index range of the list, you're essentially telling the program to fetch something that isn't there, resulting in this common ...
Find the Index of Max Value in a List Using for Loop in Python To find the index of max value in a list using for loop, we will use the following procedure. First, we will initialize a variablemax_indexto 0 assuming that the first element is the maximum element of the list. ...