Given a Python list, we have to find the index of an item in a list. Submitted by Nijakat Khan, on July 15, 2022 To find the index of the specific element from the list, we can use the following methods:1) Using index() MethodThe index() method is used to find the index ...
Finding the index of an item in a list: In this tutorial, we will learn how to find the index of a given item in a Python list. Learn with the help of examples.
运行: C:\Users\horn1\Desktop\python\7>python find.py4263不存在于字符串www.163.com中 当然,如果仅仅是字符串里是否存在子串的话,使用 in 和 not in 操作符更好。
Python Code: # Define a function 'find_index' that takes a list 'nums' and a function 'fn' as input.deffind_index(nums,fn):# Use a generator expression to find the first index 'i' where 'fn(x)' is True for an element 'x' in 'nums'.returnnext(ifori,xinenumerate(nums)iffn(x...
Python List Index Finding With theforLoop Method To find the index of an element in the list in Python, we can also use theforloop method. The code is: consonants=["b","f","g","h","j","k"]check="j"position=-1foriinrange(len(consonants)):ifconsonants[i]==check:position=ibre...
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. ...
Python Code: # Define a list 'x' containing tuples, where each tuple has two elementsx=[(4,1),(1,2),(6,0)]# Use the 'min' function to find the minimum element in the list 'x' based on a custom key# The 'key' argument specifies a lambda function that calculates a key for ...
python: find the index of a given value in a list ["foo","bar","baz"].index("bar")
4. How do I find a specific string in Python? To find a specific string in a list in Python, you can use theindex()method to find the index of the first occurrence of the string in the list. For example: my_list=["apple","banana","cherry"]try:index=my_list.index("banana")pri...
Python How-To's How to Find the Index of the Maximum … Manav NarulaFeb 02, 2024 PythonPython List Video Player is loading. Current Time0:00 / Duration-:- Loaded:0% We can store and access elements efficiently using lists; each can be accessed using its index. The list class has dif...