Python pop()

The pop() function in python helps to remove the arbitrary element from the set. It also returns the removed element as its ouput.

set.pop() 
 

pop() Parameters:

The pop() function doesn't take any parameter. It updates the set by removing the return element.

pop() Return Value

The return value of this function is a random element from the set. This function raises a TypeError exception if the set is empty.

Examples of pop() method in Python

X ={1, 2, 3, 4}

print('Return Value is', X.pop())
print('X = ', X)
 

Output:

Return Value is 4
A =  {1, 2, 3}

# on an empty set
X = {}
  
# Popping elements and printing them
print(X.pop())
  
# The updated set
print("Updated set is", X)
 

Output:

Traceback (most recent call last):
  File "/home/7c5b1d5728eb9aa0e63b1d70ee5c410e.py", line 6, in 
    print(X.pop())
TypeError: pop expected at least 1 arguments, got 0