Python Keywords with Examples

Hey guys! Here is another interesting article on Python Programming Language. 

In this article, we will going to discuss about the Python Keywords.

So, let's start!

Python Keywords

Keywords in Python are referred as reserved and predefined words with specific meaning and purpose. In python, to define the syntax of coding, keywords are used. These keywords can't be used as identifier names, function names or any variable name. In python programming language, all keywords, except True and False, are written in lowercase. In Python, there are total number of 33 keywords. And the list of these keywords are as follows;

No.	Keywords	Discription
1.	and	It is a logical operator. If both the operands are true then it returns true or else it returns false.
2.	or	It is also a logical operator. If any operand is true then it returns true or else it returns false.
3.	with	To simplify the exception handling, with keyword is used.
4.	pass	It is a null statement, it will do nothing.
5.	del	It is used to delete reference to the object.
6.	global	Global keyword is used to declare a global variable.
7.	class	This is used to define a class.
8.	not	This is another logical operator. If the operand is false then it returns true or else it return false.
9.	True	This keyword is a Boolean value.
10.	False	This keyword is also a Boolean value.
11.	from	To import specific parts of any module, from keyword is used.
12.	in	To check if a value is present in tuple, list, etc or not, in keyword is used.
13.	raise	This keyword is used to raise an exception.
14.	finally	The finally keyword is used with exceptions.
15.	nonlocal	The nonlocal keyword is used to declare non-local variable.
16.	try	Try keyword is used to make a try-except statement.
17.	for	The for keyword is used for loop.
18.	if	To make a conditional statement, if keyword is used.
19.	break	Break keyword is used to terminate the loop.
20.	while	To create a while loop, while keyword is used.
21.	def	This keyword is used to define function.
22.	return	Return keyword is used to return the value and exit a function.
23.	continue	This keyword is used to continue to the next iteration of a loop.
24.	import	To import a module, import keyword is used.
25.	is	To check whether the two variables are equal or not, this keyword is used.
26.	yield	To end a function and return a generator, yield keyword is used.
27.	assert	In order to check the correctness of code, assert keyword is used.
28.	lambda	In order to define an anonymous function, lambda keyword is used.
29.	except	This keyword is also used for exceptions.
30.	as	To create an alternative, as keyword is used.
31.	elif	Elif keyword is used with if keyword. It is a conditional statement.
32.	else	Else keyword is used with if and elif keyword. It is also a conditional statement.
33.	none	None is considered as a special constant which is used to denote a null value.

Python keywords Example

We can also find these keywords through the code given below;

import keyword
print("List of Python keywords is : ") 
print(keyword.kwlist)

Output

List of Python keywords is : 


['False', 'None', 'True', 'and', 'as', 'assert', 'async', 'await', 'break', 'class', 'continue', 'def', 'del', 'elif', 'else', 'except', 'finally', 'for', 'from', 'global', 'if', 'import', 'in', 'is', 'lambda', 'nonlocal', 'not', 'or', 'pass', 'raise', 'return', 'try', 'while', 'with', 'yield']

Now let's discuss each python keywords with the help of example.

Python keywords example of for, in, if, elif and else

# 'in' python keyword example
for x in range(1, 7):
    if x == 1:
        print('Python')
# 'elif'python keyword example
    elif x == 2:
        print('Answersjet')
# 'else' python keyword example
    else:
        print('Welcome to Python keywords Program')

Output 

Python
Answersjet

Welcome to Python keywords Program

Welcome to Python keywords Program

Welcome to Python keywords Program

Welcome to Python keywords Program

Python keywords example of and, or, not, is and in

# 'or' python keyword example
print(True or False) 

# and' python keyword example
print(False and True) 

# 'not' python keyword example
print(not True) 

# 'in' python keyword example
if 'Python' in 'programming language': 
  print("python is not part of programming language") 
else: 
    print("python is part of Programming language") 
for x in 'Variable': 
    print(x, end=" ") 
print("\r") 

# 'is' python keyword example
print(' ' == ' ') 
print({} is {}) 

Output

True

False

False

python is part of Programming language

V a r i a b l e
True

False

Python keywords example of def

# 'def' python keyword example
def fun(): 
    print("Answersjet") 
      
fun()

Output

Answersjet

Python keywords example of del

x= "answersjet" 
y= "Python"
del x 
print(y)
print (x)

Output 

Python
NameError: name 'x' is not defined

Python keywords example of try, except and finally

x=12
y=2
# 'try' Python keyword example
try:  
    z = y/x
    print(z)  
# 'except' Python keyword example
except Exception as o:  
    print(o)  
# 'finally' Python keyword example
finally:  
    print('Welcome to Answersjet') 

Output 

0.16666666666666666

Welcome to Answersjet

Python keyword example of Global

def my_func():  
    global a   
    a = 'Hey' 
    b = 'Folks'
    c = a+b  
    print(c)  
      
my_func()  

Output 

HeyFolks

Python keyword example of nonlocal

def outer_function():
    a = 'Python'
    def inner_function():
        nonlocal a
        a = 'Python'
        print("Best Programming language: ",a)
    inner_function()
    print("Best Programming language: ",a)

outer_function()

Output 

Best Programming language:  Python
Best Programming language:  Python

Python keyword example of return

def func_return():

    x = 'Answersjet'

    return x

def no_return():

    x = 'Answersjet'

print(func_return())

print(no_return())

Output 

Answersjet
None

Python keyword example of as

import calendar as cal  
print(cal.month_name[9])  

Output 

September

Python keyword example of lambda

x = lambda y: y**4  
for z in range(1,5):  
  print(x(z))  

Output 

1
16
81
256

Python keyword example of yield

def generator():
    for x in range(8):
        yield x*x

y = generator()
for x in y:
    print(x)

Output 

0
1
4
9
16
25
36
49

Python keyword example of import

import math  
print(math.sqrt(78))  

Output 

8.831760866327848

Python keyword example of while

x = 1
while x < 9:
  print(x)
  x = x + 1

Output 

1
2
3
4
5
6
7
8

Python keyword example of class

class Person:
 name = "Deepak"
 age = 22
print(Person.name)
print(Person.age)

Output 

Deepak
22

Python keyword example of break

i = 2
while i < 18:
  print(i)
  if i == 4:
    break
  i += 2

Output 

2
4

Python keyword example of None

x = None
print(x)

Output 

None

Conclusion

Above we have discussed about the Python Keywords. Keywords in python are referred as reserved and predefined words with specific meaning and purpose. In python, to define the syntax of coding, keywords are used. In Python, there are total number of 33 keywords.