Hello guys. How are you all? I hope you all fine. In this tutorial we will learn about how to check if a Variable Is None in Python. so without wasting time lets learn about of this.
How to check if a Variable Is None in Python
check if a Variable Is None in Python
To check if a Variable Is None in Python use this method. It is very easy to use and simplest. You can see in below example:
a = None if a is None: print(a) print(type(a))
Output :None <class 'NoneType'>
How to check if a Variable Is None in Python
By using isinstance() you can check the variable is none or not. You can learn this clearly by below example :
var1 = None print((var1, isinstance(var1, type(None))))
Output :(None, True)
python check if none
To check if a Variable Is None in Python use this method. It is very easy to use and simplest. You can see in below example:
a = None if a is None: print(a) print(type(a))
Output :None <class 'NoneType'>
Method 1: Compare with None
To check if a Variable Is None in Python use this method. It is very easy to use and simplest. You can see in below example:
a = None
if a is None:
print(a)
print(type(a))
Output :
None
<class 'NoneType'>
Method 2: Using isinstance()
By using isinstance() you can check the variable is none or not. You can learn this clearly by below example :
var1 = None
print((var1, isinstance(var1, type(None))))
Output :
(None, True)
Method 3: Using if
Using if you can check the variable is none or not. You can learn this clearly by below example
a = None
if a is None :
print("A is None")
Output :
A is None
Conclusion
It’s all About this Tutorial. Hope all methods helped you a lot. Comment below Your thoughts and your queries. Also, Comment below which method worked for you?
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