In this article, we will discuss how to add the contents of a dictionary to another dictionary without overwriting values of similar keys. Suppose we have two dictionaries with some similar keys. Like this, dict_1 and dict_2 have following common keys – ‘test’, ‘at’, ‘Hello’. Now we want to add the contents of a dictionary […]
Python | Add dictionary to dictionary without overwriting Read More »
This article will discuss different ways to add key-value pairs to an empty dictionary in python, like using [] operator, update() function or dictionary comprehension. Add key-value pairs to an empty dictionary using [] operator Suppose we have an empty dictionary like this, To add a new key-value pair, we can pass the key in
Add key-value pairs to an empty dictionary in Python Read More »
In this article, we will find out whether a dictionary has duplicate keys or not in Python. The straight answer is NO. You can not have duplicate keys in a dictionary in Python. But we can have a similar effect as keeping duplicate keys in dictionary. We need to understand the reason behind this question
Can a dictionary have duplicate keys in Python? Read More »
In Python, lists are mutable. It means we can change the list’s contents by adding, updating, or removing elements from the list. In this article, we will discuss how to do update values of existing list elements in Python. Updating existing element in the list The list is an index-based sequential data structure. Therefore we
How to update values in a List in Python? Read More »
This article explains how to access single or multiple elements from a list in Python. A list is a sequential data structure, and all the elements in the List are indexed. Therefore, we can access any element of the List by its index position. Also, the indexing starts from 0 in the List. Let’s understand
How to access List elements in Python? Read More »
This article explains how to create a list object in Python. Creating a list using square brackets- [] We can create a list object using square brackets, i.e. []. For example, to create a list of integers, just enclose them in square brackets. Like this, Output: We created a list of 7 integers. Creating a
How to create a list in Python? Read More »
This article will answer questions like what a list is in Python and why we need a list data structure in Python. What is a List? The list is a sequential data structure in Python. It can contain a group of elements, which can be of the same or different data types. A basic example
What is a List in Python and why we need it? Read More »
This article will discuss two different ways to install multiple python packages in a single command using pip. These two ways are, Using the raw pip install command. Using requirements.txt with the pip install command Let’s discuss them one by one, Install multiple python packages in a single pip install command We can pass the
Install multiple python packages at once using pip Read More »
In this article, we will discuss how to create a timezone-aware datetime object in Python. It means the tzinfo attribute in the datetime object should not be empty and contain the specified timezone info. In Python’s datetime module, the datetime class has an attribute tzinfo, which contains the timezone information. If you create a naive
Create timezone aware datetime object in Python Read More »
This article will discuss how to get a list of all supported timezone names in the pytz module. pytz is a module in python, which supports all the time zones. It helps in all datetime calculations, where time zones are involved. In various functions of this module, we need to pass the timezone string. But
Python: Get list of all timezones in pytz module Read More »
