Example 1: 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]]
Example 2: how to append string to another string in python
var1 = "foo"
var2 = "bar"
var3 = f"{var1}{var2}"
print(var3) # prints foobar
Example 3: append multiple strings to list python
>>> lst = [1, 2]
>>> lst.append(3)
>>> lst.append(4)
>>> lst
[1, 2, 3, 4]
>>> lst.extend([5, 6, 7])
>>> lst.extend((8, 9, 10))
>>> lst
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
>>> lst.extend(range(11, 14))
>>> lst
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]