I'm an absolute beginner.

Is there a function to search inside a set?

If not, does anyone have a function that does so? (set to search in, value to search for)

value in myset   #is True or False

In essence this would be the search of a 'subset' in a set:

# search for a subset in a set (Python3 syntax)

set1 = {'red','green','blue','black','orange','white'}
set2 = {'black', 'green'}

print('These are the colors common to set1 and set2:')
print(set1 & set2)

"""my result ==>
{'green', 'black'}
"""
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