This tutorial will discuss multiple ways to remove elements from a list in Python based on a certain condition. Table Of Contents Technique 1: Using List Comprehension & Lambda Function Technique 2: Using filter() method Technique 1: Using List Comprehension & Lambda Function Suppose we have a list of numbers and we want to remove […]
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This tutorial will discuss multiple ways to remove all elements from a Python list. Table Of Contents Method 1: Using the clear() method Method 2: Using Slicing Method 1: Using the clear() method To remove all the elements from a list, the list class in Python provides the clear() method. It can delete all the
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This tutorial will discuss how to remove consecutive duplicates in a Python list. Suppose we have a list of numbers and we aim to remove consecutive duplicate values. sampleList = [ 22, 33, 33, 55, 55, 55, 65, 77, 77, 33, 55] For instance, in our list, we might encounter two consecutive 33s, followed by
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This tutorial will discuss how to add an array to a Python dictionary. Suppose we have an array like this, my_array = [1, 2, 3, 4, 5] Now we want to add this array into the dictionary as a value field. For this, first, we create an empty dictionary. # Create an empty dictionary my_dict
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This tutorial will discuss how to add to a value in a dictionary in Python. Suppose we have a dictionary that contains student data, where the name is the key (a string) and the age is the value (an integer). Like this, # Student data dictionary with # names as keys and ages as values
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This tutorial will discuss how to get sum of values of a dictionary in Python. To get the sum of all values in a dictionary, we can call the values() method of the dictionary. It returns an iterable sequence of all the values from the dictionary and then we can pass those values into the
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This tutorial will discuss how to add value to a key in a Python dictionary. Suppose we have a dictionary which contains certain string as keys and integer and values. Like this, student_data = { "Varun Sharma": 21, "Renuka Singh": 19, "Sachin Roy": 20 } Now we want to add a value to the existing
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This tutorial will discuss how to add a list to a Python dictionary. We can add a list into a dictionary as the value field. Suppose we have an empty dictionary, like this, # Create an empty dictionary my_dict = {} Now, we are going to add a new key-value pair into this dictionary using
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This tutorial will discuss how to append to a Python dictionary using a for loop. Suppose we have a dictionary and we want to add items to this dictionary in a for loop. # Student data dictionary with names as keys and ages as values student_data = { "Varun Sharma": 21, "Renuka Singh": 19, "Sachin
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This tutorial will discuss how to create an add() method for Dictionary in Python. The Python dictionary does not provide a direct add() method to add a new key-value pair to the dictionary, so we decided to create one. This is the add() method. def add_to_dictionary(dictionary, key, value): # Custom add method to add or
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