# $2.$ for loops

# A$.$ Fill the $\_\_\_\_$ parts in the code below.

words $=[\text{'}$PYTHON$\text{'},$ 'JOHN', 'chEEse', 'hAm', 'DOE', $\text{'}123\text{'}]$

upper$\_$case$\_$words $=[]$

for $\_\_\_\_$ in words:

if $\_\_\_\_.$isupper$()$:

$\_\_\_\_.$append$(\_\_\_\_)$