Removing Elements From Python Set

The built-in remove() method in Python can be used to delete elements from the set. However, if the element doesn't exist in the set, a KeyError is thrown. 

Use discard() to delete entries from a set without causing a KeyError; if the element does not exist in the set, it will stay unaffected.

The Pop() method can also be used to remove and return one element from a set. However, it only removes the set's final element.

Note that if the set is unordered, the pop() method has no means of determining which element gets popped.

discard() method

For removal of all the elements from a set, you can make use of the clear() method. 

Loop Items

You can use the for loop in order to loop through the items in a set. 

Example:

this_set = {"yellow", "red", "green"}

for x in this_set:

  print(x)

Output: