Question

How to removes all elements of another set from current set (subtraction sets) in Python

Answer 1

st = {"a", "b", "c", "d", "e", "f", "g"}
remove = {"b", "c", "f"}

st.difference_update(remove)

print(st)


'''
run:

{'a', 'g', 'e', 'd'}

'''

 

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Answer 2

st = {"a", "b", "c", "d", "e", "f", "g"}
remove = {"b", "c", "f"}

st = st - remove

print(st)


'''
run:

{'a', 'd', 'g', 'e'}

'''

 

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