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Tuple is one of the data structures of the Python programming language. It is used to store multiple values separated by commas in an ordered manner. It is immutable in the sense that once the tuple is created cannot perform any operations like deleting, appending, etc. The elements in the tuple can be int, float, string, or binary data types, and it allows duplicates of the elements. It uses indexing for accessing the elements. It allows a single element to be in a tuple. There are different ways to create the empty tuple. Let’s see each way in detail. ... Read More
Encapsulation is one of the fundamental concepts in object-oriented programming (OOP). It describes the idea of wrapping data and the methods that work on data within one unit. This restricts accessing variables and methods directly and can prevent the accidental modification of data. To prevent accidental change, an object’s variable can only be changed by the object’s method. Those types of variables are known as private variables. In Python, getters and setters are methods used to access and modify private attributes of a class. These methods are ... Read More
Double Quotes in PythonDouble quotes are used to represent a string or a character. The functionality of the single quotes and double quotes is the same. We can use any type of quote as per our requirement. The following is the syntax to create a string using double quotes in the Python programming language. str = “text” Example Let’s see an example to understand the functionality and usage of the double quotes in Python. Initially, we have created a string by passing the sentence in double quotes and assigned it to the variable str. Next we printed ... Read More
The class is a blueprint, which is used as the reference to create the object. This contains attributes and methods in a logical entity.Let’s understand the usage of the class in an object-oriented programming language through a real-time scenario. Consider a library. In a library, we will have different numbers of books. Now we want to track every book from the library. For a book, we will have different attributes like book name, ... Read More
Converting Python String into TupleWe can convert a Python string into tuples by simply mentioning a comma (, ) after the string. This will treat the string as a single element to the tuple. Example Here our string variable “s” is treated as one item in the tuple, which can be done by adding the comma after the string - s = "python" print("Input string :", s) t = s, print('Output tuple:', t) print(type(t)) Following is the output of the above code - Input string : python Output tuple: ('python', ) Using tuple() Function Also, ... Read More
Python is being updated regularly with new features and support. Starting from 1994 to the current release, there have been lots of updates in Python versions.Using Python standard libraries like sys or platform modules, we can get the version information of Python that is actually running on our script. In general, the Python version is displayed automatically on the console immediately after starting the interpreter from the command line. Python 3.10.7 (tags/v3.10.7:6cc6b13, Sep 5 2022, 14:08:36) [MSC v.1933 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license()" for more information. Using the version attribute The sys ... Read More
In Python, using a for loop is common to iterate a single data structure like a list, but if we need to iterate two/multiple lists in parallel, we need to use the range() function. Iterating two Lists Using for Loop Assuming that both lists have the same length, here we are using the len() method to get the length of the list object. Example In the following example, we have iterated through the lists l1 and l2 of same size using for loop - l1 = ['a', 'b', 'c', 'd', 'e'] l2 = [97, 98, 99, 100, 101] length = ... Read More
A tuple is a collection of objects that is ordered and immutable. Tuples are sequences, just like lists. The differences between tuples and lists are that tuples cannot be changed, unlike lists, and tuples use parentheses, whereas lists use square brackets. Converting a Python tuple to a StringThere are three different ways we can convert a Python tuple to a string. Using a for loop. Using the Python join() method ... Read More
In Java, the cannot find symbol error occurs when we try to reference a variable that is not declared in the program or when we try to access a class that is not declared or imported. Possible Causes of 'Cannot Find Symbol' Error Below is a list of some possible causes of the 'cannot find symbol' error in Java - Using a variable that is not declared or outside the code. Using wrong cases ("tutorials" and "Tutorials" are different) or making spelling mistakes. The packaged class has ... Read More
In Python, a list is a dynamic array that can be expanded in size as needed. The maximum size of a list is limited by the system's memory and the platform's architecture. In this article, we will explore how to determine the maximum size of a list in Python. Understanding Python List Limits The size of a list in Python is not restricted by any fixed value set in the language itself but also it depends on below factors - Available system memory (RAM) System architecture, i.e., 32-bit or 64-bit The value of ... Read More