check data type of variable in python
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Title: A Beginner's Guide to Checking Data Types in Python
Introduction:
Python is a dynamically-typed language, which means that the data type of a variable is interpreted at runtime. However, there are scenarios where you may need to explicitly check the data type of a variable. In this tutorial, we will explore various methods to check the data type of a variable in Python, along with code examples.
Method 1: Using the type() function
The type() function is a built-in function in Python that returns the type of the given object. Here's an example:
Output:
Method 2: Using isinstance() function
The isinstance() function checks if the given object is an instance of the specified class or a tuple of classes. It can be used to check if a variable belongs to a certain data type:
Output:
Method 3: Using type() with assert
The assert statement can be used in combination with the type() function to perform a quick type check and raise an AssertionError if the condition is not met:
Output:
Conclusion:
Checking the data type of a variable is a common task in Python, and the methods mentioned above provide different approaches to achieve this. Depending on your specific use case, you can choose the method that best suits your needs. Understanding data types is crucial for writing robust and error-free Python code.
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