Data Types in Python | Numeric | String | List | Tuple | Dictionary | Boolean | None | CBSE |Python
In this Python tutorial for beginners, we will learn data types in Python. This Python tutorial video covers: What is a data type in Python?
Classification of Data in Python:
Numeric Data Types in Python: integer, floating point, and complex.
Boolean Data Type in Python:Boolean
Sequence Data Types in Python : string, list, and tuple.
None Type: None
Mapping Data Type in Python: dictionary
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What is a data type?
A data type is a classification of data. Which tells the compiler or interpreter how the programmer intends to use the data.
A data type is a category for values,
and every value belongs to exactly one data type.
Numeric data type:
1. Integer:
The integer (or int) data type values are whole numbers.
2. Floating Point Numbers:
Numbers with a decimal point are called
floating-point numbers (or floats).
3. Complex Numbers:
A complex number is a combination of a real and an imaginary number.
Boolean Type:
A Boolean data type in Python has two values, i e either True or False.
Sequence Types
Sequence data types represent an ordered sequence of values.
The Python sequence data types include
strings, lists, tuples and range objects returned by range().
String data type:
A string in python is a sequence of zero or more characters enclosed within single quotes, double quotes or triple quotes.
List Data Type:
A list is a value that contains multiple values in an ordered sequence.
A list begins with an opening square bracket and ends with a closing square bracket.
Tuple data type:
A tuple is a value that contains multiple values in an ordered sequence.
A tuple begins with an opening parenthesis and ends with a closing parenthesis.
None Data Type ( NoneType):
In Python, None is a value that represents the absence of a value.
None is the only value of the NoneType data type.
The Dictionary Data Type (Mapping Type):
A dictionary is a mutable collection of many values.
An index for a dictionary can use many different data types, not just integers like list, string, or tuple.
Indexes for dictionaries are called keys, and a key with its associated value is called a key-value pair.
A dictionary is a set of key : value pairs, where the keys are unique.
This video will help you learn Python programming without any prior programming language knowledge.
After watching this Python tutorial video, you will easily be able to answer questions about data types in Python and you write codes without making any mistakes.
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