python how to check if a list contains a certain item code example

Example 1: check if a list contains any item from another list python

## using set
list_A = [1, 2, 3, 4]
list_B = [2, 3]

set_A = set(list_A)
set_B = set(list_B)

print(set_A.intersection(set_B))

# True if there is any element same
# False if there is no element same

Example 2: how to check if element is in list python

'''    
    check if element NOT exist in list using 'in'
'''
if 'time' not in listOfStrings :
    print("Yes, 'time' NOT found in List : " , listOfStrings)