python list length – 3 Easy Ways to Find the Length of a List in Python using The len() method to find the length of a list in Python, Using Python for loop to get the length and The length_hint() function to get the length of the list.
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Python has got in-built method — len() to find the size of the list i.e. the length of the list. Index & length: Lists are a collection of items of similar or different data types. Python list method len() returns the number of elements in the list.
List in Python – python list length
list1 = ['Pakainfo', 'python', 2022]; list2 = [9, 8, 7, 6, 5 ]; list3 = ["p", "a", "k", "a"];
Len() Method
website_list = ["Welcome", "Pakainfo", 9, 8, 7]
print ("Number of items in the list = ", len(website_list))
Naive Method
website_list = [ "Welcome", "Pakainfo", 9,2,7 ]
print ("The list is : " + str(website_list))
counter = 0
for i in website_list:
counter = counter + 1
print ("Length of list using naive method is : " + str(counter))
Output:
The list is : ["Welcome", "Pakainfo", 9,8,7] Length of list using naive method is : 5
get the number of elements in a list
The len() function can be used with several different types in Python.
>>> len([9, 8, 7]) 3
How to get the size of a list?
website_list = []
website_list.append("pakainfo")
website_list.append("w3diy")
website_list.append("infinityknow")
//And now:
len(website_list) // returns 3.
Find size of a list in Python
# Python program to demonstrate working
# of len()
website_list = []
website_list.append("Welcome")
website_list.append("pakainfo")
website_list.append("infinityknow")
website_list.append("pakainfo")
print("The length of list is: ", len(website_list))
Also Read : list of dictionaries python
The len() function for getting the length of a list
An example of getting list length
website_list = [7, 8, 9, 'j','d','k', 44, 98]
print ("Number of items in the list = ", len(website_list))
An example of using len method in for loop
#An example of len() method
#An example of len() method
website_list = ['Welcome', 'pakainfo', 'infinityknow', 'w3diy']
for word in website_list:
print(word, "=", len(word))
print ("##### website_list ##################")
print ("Length of the list = ", len(website_list))
Getting the length of an array example
#A Demo of array length
from array import array
website_list=array('b',[8,9,7,6,5])
print("Number of items in Array:", len(website_list))
3 Easy Ways to Find the Length of a List in Python
The len() method to find the length of a list in Python
website_list = ['pakainfo','infinityknow','w3diy','w3school','jdk'] size = len(website_list) print(size)
Using Python for loop to get the length
website_list = ['pakainfo','infinityknow','w3diy','w3school','jdk']
size = 0
print("Length of the input string:")
for x in website_list:
size+=1
print(size)
The length_hint() function to get the length of the list
from operator import length_hint
website_list = ['pakainfo','infinityknow','w3diy','w3school','jdk']
print("Length of the input string:")
size = length_hint(website_list)
print(size)
How to Get Length of an Array in Python?
from array import array
website_list = array('b',[9, 8, 7, 6, 5])
print("Number of elements in an Array:", len(website_list))
I hope you get an idea about python list length.
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