python prepend to list code example

Example 1: prepend pyhton list

# option 1
s.insert(0, x)

# option 2
new_list = [x] + your_list

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]]