check list exists in list python

# Python code find whether a list  
# exists in list of list. 
  
# Input List Initialization 
Input = [[1, 1, 1, 2], [2, 3, 4], [1, 2, 3], [4, 5, 6]] 
  
# List to be searched 
list_search = [1, 1, 1, 2] 
  
# Using in to find whether  
# list exists or not 
if list_search in Input: 
    print("True") 
else: 
    print("False")