list_of_Lists = [[1,2,3],['hello','world'],[True,False,None]]
list_of_Lists.append([1,'hello',True])
ouput = [[1, 2, 3], ['hello', 'world'], [True, False, None], [1, 'hello', True]]Difference between List append() and List extend() method
a =[1,2]
b= [3,4]
# append() method
a.append(b)
print("Using append() method", a)
x =[1,2]
y= [3,4]
# extend() method
x.extend(y)
print("Using extend() method", x)my_list = [23, 11, 42, 24523]
# append will add it as if you're adding a new list to it
my_list.append([34523, 76979])
print(my_list)
# extend will go over each item in the new source list and add each
# element as part of the target list (my_list)
my_list.extend([12, 99])
print(my_list)