pytest

>>> input.close()
>>> input = open("txt.txt")
>>> for line in input:
...     lista.append(line)
...
>>> print(lista)
['why am i so tired\n', 'i must need caffeine\n', 'there must be something missing in my life\n', 'what ever could it be\n']
>>> lista.clear()
>>> print(lista)
[]
>>> for line in input:
...     lista.append(line)
...
>>> print(lista)
[]
>>> lista.append("pedro")
>>> for line in input:
...     lista.append(line)
...
>>> print(lista)
['pedro']
>>>