Category python-top-tutorials

Python String Slicing In Python, a string is an ordered sequence of Unicode characters. Each character in a string has a unique index in the sequence. The index starts at 0. The first character in a string has position index…

Python Function Parameters When defining a function, the list of variables declared in parentheses is the formal parameters. A function can define any number of formal parameters. When calling a function: All parameters are required. The number of actual parameters…

Python List Exercise Example 1 Python program to find unique numbers in a given list. L1 = [1, 9, 1, 6, 3, 4, 5, 1, 1, 2, 5, 6, 7, 8, 9, 2] L2 = [] for x in L1:…

Python Nested Dictionaries A Python dictionary is said to have a nested structure if one or more of its keys has another dictionary as its value. Nested dictionaries are often used to store complex data structures. The following code snippet…

Python Decision Making Python’s decision-making functionality is implemented using the keywords if, else, and elif. The if keyword requires a Boolean expression followed by a colon. The colon (:) symbol begins an indented block. Within an if statement, statements at…

Accessing Collection Items in Python Because a collection is not a sequence data type, its items cannot be accessed by positional indexing like lists or tuples. Collection items also do not have keys (like dictionaries) that can be used to…

Python Function Keyword Arguments Keyword arguments are also called named arguments. Variables in a function definition are used as keywords. When calling the function, you can explicitly specify the name and its value. Example # Function definition is here def…

Python break Statement Loop Control Statements Loop control statements alter the normal order of execution. When leaving a scope, all automatic objects created in that scope are destroyed. Python supports the following control statements: Order Number Control Statements and Descriptions…

Python Generics In Python, generics are a mechanism for defining functions, classes, or methods that can operate on multiple types while maintaining type safety. By implementing generics, you can write reusable code that works with different data types. This ensures…

Python PIP Package Manager Python’s standard library is a collection of numerous ready-to-use modules and packages. In addition to these packages, Python programmers often need to use certain third-party libraries. Third-party Python packages are stored in a repository called the…