PythonExtra/tests/basics/dict_views.py

22 lines
410 B
Python

d = {1: 2}
for m in d.items, d.values, d.keys:
print(m())
print(list(m()))
# print a view with more than one item
print({1:1, 2:1}.values())
# unsupported binary op on a dict values view
try:
{1:1}.values() + 1
except TypeError:
print('TypeError')
# unsupported binary op on a dict keys view
try:
{1:1}.keys() + 1
except TypeError:
print('TypeError')
# set operations still to come