Data-Types in Python 3.7

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Python Data-Types:-

In programming, data type is an important concept.

Variables can store data of different types, and different types can do different things.

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

Getting the Data Type:-

You can get the data type of any object by using the type() function:

Example:-

Print the data type of the variable x:

x = 5
print(type(x))

Setting the Data Type:-

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

ExampleData Type
x = "Hello World"str
x = 20int
x = 20.5float
x = 1jcomplex
x = ["apple", "banana", "cherry"]list
x = ("apple", "banana", "cherry")tuple
x = range(6)range
x = {"name" : "John", "age" : 36}dict
x = {"apple", "banana", "cherry"}set
x = frozenset({"apple", "banana", "cherry"})frozenset
x = Truebool
x = b"Hello"bytes
x = bytearray(5)bytearray
x = memoryview(bytes(5))memoryview

Setting the Specific Data Type:-

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

ExampleData Type
x = str("Hello World")str
x = int(20)int
x = float(20.5)float
x = complex(1j)complex
x = list(("apple", "banana", "cherry"))list
x = tuple(("apple", "banana", "cherry"))tuple
x = range(6)range
x = dict(name="John", age=36)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

Python Booleans:-

Booleans represent one of two values: True or False.

Boolean Values:-

In programming you often need to know if an expression is True or False.

You can evaluate any expression in Python, and get one of two answers, True or False.

When you compare two values, the expression is evaluated and Python returns the Boolean answer:

Example

Print a message based on whether the condition is True or False:

a = 200
b = 33

if b > a:
  print("b is greater than a")
else:
  print("b is not greater than a")


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