## checking all elements of list_B in list_A list_A = [1, 2, 3, 4] list_B = [2, 3] check = all(item in list_A for item in list_B) print(check) # True
# To check if a certain element is contained in a list use 'in' bikes = ['trek', 'redline', 'giant'] 'trek' in bikes # Output: # True
some_list = ['abc-123', 'def-456', 'ghi-789', 'abc-456'] if any("abc" in s for s in some_list): # whatever
if value in list: #do stuff #Also to check if it doesn't contain if value not in list: #do stuff