python append to a list within a list code example

Example 1: python array append

my_list = ['a','b']  
my_list.append('c') 
print(my_list)      # ['a','b','c']

other_list = [1,2] 
my_list.append(other_list) 
print(my_list)      # ['a','b','c',[1,2]]

my_list.extend(other_list) 
print(my_list)      # ['a','b','c',[1,2],1,2]

Example 2: how to append to a list of lists in python

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]]