updated from Atlas

03-dict-set/dialcodes.py

@@ -0,0 +1,30 @@
+# BEGIN DIALCODES
+# dial codes of the top 10 most populous countries
+DIAL_CODES = [
+        (86, 'China'),
+        (91, 'India'),
+        (1, 'United States'),
+        (62, 'Indonesia'),
+        (55, 'Brazil'),
+        (92, 'Pakistan'),
+        (880, 'Bangladesh'),
+        (234, 'Nigeria'),
+        (7, 'Russia'),
+        (81, 'Japan'),
+    ]
+
+d1 = dict(DIAL_CODES)  # <1>
+print('d1:', d1.keys())
+d2 = dict(sorted(DIAL_CODES))  # <2>
+print('d2:', d2.keys())
+d3 = dict(sorted(DIAL_CODES, key=lambda x:x[1]))  # <3>
+print('d3:', d3.keys())
+assert d1 == d2 and d2 == d3  # <4>
+# END DIALCODES
+"""
+# BEGIN DIALCODES_OUTPUT
+d1: dict_keys([880, 1, 86, 55, 7, 234, 91, 92, 62, 81])
+d2: dict_keys([880, 1, 91, 86, 81, 55, 234, 7, 92, 62])
+d3: dict_keys([880, 81, 1, 86, 55, 7, 234, 91, 92, 62])
+# END DIALCODES_OUTPUT
+"""