del Command

☞ To remove elements of a particular index.

Syntax : 
 del List[<index>] 
 

Example 1 :  

 

 
L1=[10, 20, 30]
del L1[1]
print(L1)

 
 

Output :  
 

[10, 30]

 

Example 2 :  

 

 
L1=[10, 20, 30]
del L1[8]
print(L1)

 
 

Output :  
 

del L1[8]
IndexError: list assignment index out of range

 





☞ To remove elements in list slice.

Syntax :  

 

 del List[<start> : <stop>] 
 

Example :  

 

 
L1=[10, 20, 30, 40, 50]
del L1[1:4]
print(L1)

L2=[10, 20, 30, 40, 50]
del L2[2:]
print(L2)

L3=[10, 20, 30, 40, 50]
del L3[:]      #will delete all elements
print(L3)

L4=[10, 20, 30, 40, 50]
del L4[-2:]      
print(L4)

L5=[10, 20, 30, 40, 50]
del L5[-4:-1]      
print(L5)

L6=[10, 20, 30, 40, 50]
del L6[-2:-5]      
print(L6)

 
 

Output :  
 

[10, 50]
[10, 20]
[]
[10, 20, 30]
[10, 50]
[10, 20, 30, 40, 50]

 



☞ To delete all the elements and the list objects too.

Syntax :  

 

  del <list_name>
 

Example :  

 

 
L1=[10, 20, 30, 40, 50]
del L1
print(L1)

 
 

Output :  
 

print(L1)
NameError: name 'L1' is not define