Author: tinyytopic.com
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What is the difference between @staticmethod and @classmethod in Python?
In Python, the @staticmethod and @classmethod decorators are used to defining methods within a class. The difference between these two decorators lies in the way they handle the arguments passed to them. A @staticmethod is a method that belongs to the class and does not require an instance of the class to be called. This…
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How to access the index in ‘for’ loops
In Python, you can access the index of an element in a sequence when iterating through it using a for loop by using the built-in function enumerate(). Here’s an example: The output of the code execution is below: In the above example, enumerate() is used to iterate over the fruits list and return a tuple…
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What are the ways to call external programs in Python
There are several ways to call external programs using Python code. Here are a few examples: The subprocess module: This module provides a way to spawn new processes, connect to their input/output/error pipes, and obtain their return codes. It is a powerful and flexible way to call external programs from Python. Here’s an example: In…
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How do I execute a program (or) system command using Python?
You can execute a program or system command using Python by using the subprocess module. Read Also, Several ways to call external programs in Python Here is an example of how to execute a system command: In this example, the subprocess.run function is used to execute the echo program with the argument “Hello, World!”. The…
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How do I check whether a file exists without exceptions in Python?
In Python, you can check whether a file exists without raising any exceptions by using the os.path.exists() function from the built-in os module. This function takes a file path as its argument and returns True if the file exists, and False otherwise. Here’s an example of how to use os.path.exists() to check whether a file…
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Does Python have a ternary conditional operator?
Yes, Python has a ternary conditional operator. The ternary operator is a shorthand way of writing an if-else statement in a single line of code. The syntax for the ternary operator in Python is: Here, condition is the expression that is evaluated as either True or False. If condition is True, then the expression value_if_true…
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What does if __name__ == “__main__”: do in Python?
The line if __name__ == “__main__”: in Python is used to check whether the current module is being run as the main program or it is being imported as a module into some other program. This is a common technique used in Python to write code that can be used both as a standalone program…
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How to get a number as Input in Tkinter?
This Python function gets input from the user using the Tkinter input window. Ready-to-use Python function to get an Integer or Float number: Write your main code as a sample below, This is a Python function called get_number_input that accepts four parameters: header, prompt, root, and number_type. Here’s how it works: Overall, this function can…
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How to make Ven Pongal
Ven Pongal is a traditional South Indian dish that is made with rice and lentils and is typically served for breakfast or lunch. It is also known as “Khara Pongal” in some regions of South India. The dish is made by cooking rice and moong dal together with ghee, cumin seeds, black pepper, ginger, green…
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How to make Kalkandu Rice (or) Rock Sugar Candy Rice
Kalkandu Rice is a sweet and traditional South Indian dessert made with rice, milk, and rock sugar candy known as “kalkandu” in Tamil. It is a popular dish served during special occasions and festivals like Pongal, Navratri, and Diwali. To make Kalkandu Rice, raw rice is cooked in milk and flavoured with cardamom and a…