Question

How to check if set is empty in Python

Answer 1

def is_set_empty(st):
    return len(st) == 0

st1 = {1, 4, 5, 7, 2, 8}
st2 = set()

print(is_set_empty(st1))
print(is_set_empty(st2))

print(is_set_empty({3, 5, 8}))



  
  
'''
run:
  
False
True
False

'''

 

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Answer 2

def is_set_empty(st):
    return not bool(st)

st1 = {1, 4, 5, 7, 2, 8}
st2 = set()

print(is_set_empty(st1))
print(is_set_empty(st2))

print(is_set_empty({3, 5, 8}))



  
  
'''
run:
  
False
True
False

'''

 

70+ SQL courses for beginners and professionals

Answer 3

def is_set_empty(st):
    return st == set()

st1 = {1, 4, 5, 7, 2, 8}
st2 = set()

print(is_set_empty(st1))
print(is_set_empty(st2))

print(is_set_empty({3, 5, 8}))



  
  
'''
run:
  
False
True
False

'''

 

70+ SQL courses for beginners and professionals

Answer 4

def is_set_empty(st):
    return not st

st1 = {1, 4, 5, 7, 2, 8}
st2 = set()

print(is_set_empty(st1))
print(is_set_empty(st2))

print(is_set_empty({3, 5, 8}))



  
  
'''
run:
  
False
True
False

'''

 

70+ SQL courses for beginners and professionals