The **`None` keyword** is used to define a `null` variable or an object. In Python, `None` keyword is an object, and it is a data type of the class `NoneType`.

We can assign `None` to any variable, but you can not create other `NoneType` objects.

> **Note**: All variables that are assigned `None` point to the *same* object. New instances of `None` are not created.

# Syntax

The  syntax of `None` statement is:

``` python
None
```

> **Note:** `None` statement supports both `is` and `==` operators.



# Interesting Facts

- `None` is not the same as `False`. 
- `None` is not *0*.
- `None` is not an empty `string`. 
- Comparing `None` to anything will always return `False` except `None` itself.
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# Examples



1. Checking if a variable is `None` using `is` operator:

# Declaring a None variable
var = None

if var is None: # Checking if the variable is None
  print("None")
else:
  print("Not None")

2. Checking if a variable is `None` using `==` operator:

# Declaring a None variable
var = None

if var == None: # Checking if the variable is None
  print("None")
else:
  print("Not None")

3. Check the type of `None` object:

# Declaring a variable and initializing with None type
typeOfNone = type(None) 

print(typeOfNone)

4. Comparing `None` with `None` type:

# Comparing None with none and printing the result
print (None == None)

5. Comparing `None` with `False` type:

# Comparing none with False and printing the result
print(None == False)

6. Comparing `None` with empty `string`:

# Declaring an empty string
str = ""
# Comparing None with empty string and printing the result
print (str == None)

What is the None keyword in Python?

The None keyword is used to define a null variable or an object. In Python, None keyword is an object, and it is a data type of the class NoneType. We can assign None to any variable, but you can not create other NoneType objects. 