Python check if list in the list code example

Example 1: python check if list contains elements of another list

## 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

Example 2: check if list of list python

for item in list_of_lists:
      isinstance(item, list)

Example 3: python all elements in list in another list

set(['a', 'b']).issubset(['a', 'b', 'c'])