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Python has the following data types built-in by default, in these categories:

Text Type:	str
Numeric Types:	int,  float,  complex
Sequence Types:	list,  tuple,  range
Mapping Type:	dict
Set Types:	set,  frozenset
Boolean Type:	bool
Binary Types:	bytes,  bytearray,  memoryview

Variables can hold values of different data types. Python is a dynamically typed language hence we need not define the type of the variable while declaring it. The interpreter implicitly binds the value with its type.

Python enables us to check the type of the variable used in the program. Python provides us the type() function which returns the type of the variable passed.

Consider the following example to define the values of different data types and checking its type.

 A=10  
b="Hi Python"  
c = 10.5  
print(type(a));   
print(type(b));   
print(type(c)); 

Output:

<type 'int'>
<type 'str'>
<type 'float'>

Setting the Data Type

In Python, the data type is set when you assign a value to a variable:

Example	Data Type
x = "Hello World"	str
x = 20	int
x = 20.5	float
x = 1j	complex
x = ["male", "female", "others"]	list
x = ("apple", "banana", "cherry")	tuple
x = range(6)	range
x = {"name" : "Rambo", "age" : 23}	dict
x = {"apple", "banana", "cherry"}	set
x = frozenset({"apple", "banana", "cherry"})	frozenset
x = True	bool
x = b"Hello"	bytes
x = bytearray(5)	bytearray
x = memoryview(bytes(5))	memoryview

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Setting the Specific Data Type

If you want to specify the data type, you can use the following constructor functions:

Example	Data Type
x = str("Hello World")	str
x = int(20)	int
x = float(20.5)	float
x = complex(1j)	complex
x = list(("male", "female", "others"))	list
x = tuple(("apple", "banana", "cherry"))	tuple
x = range(6)	range
x = dict(name="Rambo", age=21)	dict
x = set(("apple", "banana", "cherry"))	set
x = frozenset(("apple", "banana", "cherry"))	frozenset
x = bool(5)	bool
x = bytes(5)	bytes
x = bytearray(5)	bytearray
x = memoryview(bytes(5))	memoryview

 

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