Variables and Data Types in Python MCQs l Top 20 Variable & Data Types in Python Questions & Answers
Variables and Data Types in Python MCQs l Top 20 Important Data Types in Python Questions & Answers 2023
In Python, variables are used to store values. You can give a variable any name you want, as long as it follows certain rules. A variable name must start with a letter or an underscore, and can only contain letters, numbers, and underscores.
To assign a value to a variable in Python, you use the equals sign (=). For example, if you wanted to assign the value 5 to a variable called "x", you would write:
```
x = 5
```
Python has several built-in data types, including:
Integer (int): whole numbers, such as 1, 2, 3, etc.
Float (float): numbers with a decimal point, such as 3.14, 2.5, etc.
Boolean (bool): True or False
String (str): a sequence of characters, such as "hello world", "python", etc.
List (list): a collection of ordered, mutable elements, such as [1, 2, 3], ["apple", "banana", "cherry"], etc.
Tuple (tuple): a collection of ordered, immutable elements, such as (1, 2, 3), ("apple", "banana", "cherry"), etc.
Dictionary (dict): a collection of unordered key-value pairs, such as {"name": "John", "age": 30}, {"fruit": "apple", "color": "red"}, etc.
Python also has the None data type, which represents the absence of a value.
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