In Python, a string is a sequence of characters enclosed within quotation marks. Strings are a fundamental data type in Python and can be used to store and manipulate textual data. Here are some examples of strings in Python: my_string = “Hello, world!” print(my_string) # Output: “Hello, world!” my_string = “Hello, world!” print(my_string[0]) # Output: …
In Python, type casting refers to the conversion of a value of one data type into another data type. There are several built-in functions that can be used for type casting, including int(), float(), str(), bool(), and list(), among others. Here are some examples of type casting in Python: age_str = “25” age_int = int(age_str) …
In Python, a loop is a programming construct that allows you to repeat a block of code multiple times. There are two types of loops in Python: for loop and while loop. For loop A for loop is used to iterate over a sequence (e.g., a list, tuple, dictionary, or string) and execute a block …
In Python, a dictionary is an unordered collection of key-value pairs, where each key must be unique. Dictionaries are often used to store and retrieve data quickly, as opposed to iterating through a list or tuple. Here’s an example of a basic dictionary in Python: In the example above, the my_dict dictionary contains three key-value …
In Python, a set is a collection of unique elements with no specific order. The elements in a set are enclosed in curly braces {}, separated by commas. Here’s an example of how to create a set: This creates a set containing the elements 1, 2, 3, 4, and 5. Here are some key characteristics …
Tuples are similar to lists in Python, but they are immutable, meaning once a tuple is created, its elements cannot be changed. Tuples are also ordered, meaning the elements inside a tuple have a defined order. Tuples are written inside parentheses, like this: Here are some examples of tuples in Python: Tuples are useful for …
A list in Python is a collection of values (also known as elements) that are ordered and changeable. Here are some examples: To Define a List, Accessing Elements of a list, Loop thru a list Lists in Python have several built-in methods that can be used to manipulate the data stored in the list. Here …
If you want to install flask app in your computer for web development using Python you can follow the tutorial. To start, let’s create a simple “hello world” application. First, create a new project. From the terminal or command line create a new directory: 1. mkdir myflaskwebsite 2. cd myflaskwebsite Remember, you can change the …
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Have you ever wondered what does a database mean ? and how many types of databases are there ? In this article, you are going to get your answer. A Database is used to store information. A database is a major source of information in which data is stored in the form of data tables.A …
A box plot is used to visualize 5 values in a dataset for the selected column(s): Minimum Value First Quartile or 25% Median (Second Quartile) or 50% Third Quartile or 75% Maximum value Box Plot is also known as Box and Whisker Plot. Steps – Load the dataset using Pandas dataframe Select any column to …
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