[n for n in range(10) if n % 2]
[1, 3, 5, 7, 9]
def my_func(n1, n2): 
    return n1 + n2
my_func(1, 2, 3)
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-6-249a8da1b1e1> in <module>
----> 1 my_func(1, 2, 3)

TypeError: my_func() takes 2 positional arguments but 3 were given
datetime(1970, 1, 1).strftime('%Y-%d-%B')
---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
<ipython-input-7-786f1f94fbfb> in <module>
----> 1 datetime(1970, 1, 1).strftime('%Y-%d-%B')

NameError: name 'datetime' is not defined
import datetime
print(datetime.date(1970, 1, 1).strftime('%Y-%d-%B'))
1970-01-January