first index: verts.index(value) last index: len(verts)-1-verts[::-1].index(value)
Finding the Index of List Items in Python - Learn how to find the index of list items in Python with practical examples and explanations.
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.BySapna Deraje RadhakrishnaLast updated : June 26, 2023 Given aPython listand an item, we have to find the index of ...
If you are in a hurry, below are some quick examples of how to get the index position of the minimum element of the list. # Quick examples of finding index of min value of list# Consider the list of integersmarks=[82,31,40,78,90,32,120]# Example 1: Using for loopminimum_val=mar...
# Quick examples of finding maximum value in the list # Initialize list mylist = [5, 17, 32, 14, 10, 21] # Example 1: Using max() function # Get the maximum value in the list max_value = max(mylist) # Example 2: Find the maximum value ...
2. Using theindex()Method (For Finding the First Occurrence) Theindex()method is used to find the index of the first occurrence of a specified element in a list. This method is particularly useful when you need to know the position of a specific element within a list. ...
Python program to find first index of value fast # Import numpyimportnumpyasnp# Creating an arrayarr=np.array([1,0,5,0,9,0,4,6,8])# Display original arrayprint("Original Array:\n",arr,"\n")# Finding index of a valueind=arr.view(bool).argmax() res=indifarr[ind]else-1# Displ...
()).index(target_value)] return None # 示例用法 list_of_dicts = [ {"name": "Alice", "age": 25}, {"name": "Bob", "age": 30}, {"name": "Charlie", "age": 35} ] target_value = 30 result = find_key_in_list_of_dicts(target_value, list_of_dicts) print(result) # 输出...
print("Index of Mango: ", x) Output: Fruits: ['Apple','Mango','Banana','Mango','Cherry'] IndexofMango:1 Finding Index Within A Range In the previous example you saw howindex()method works with duplicate elements in a list. What if you want to search the index of a duplicate eleme...
Python's built-inindex()function is a useful tool for finding the index of a specific element in a sequence. This function takes an argument representing the value to search for and returns the index of the first occurrence of that value in the sequence. ...