aufgabe 6 hochgeladen

aufgabe6.py

+import csv
+from collections import defaultdict 
+
+country_pop = []
+
+csvfile = open("oopse\\worldcities.csv", encoding="utf8") 
+
+reader = csv.DictReader(csvfile,delimiter=";")
+for row in reader:
+    country_pop.append((row['country'],row['population']))
+
+
+country_pop_dict = defaultdict(list)
+for country, pop in country_pop:
+        country_pop_dict[country].append(pop)
+
+
+for i in country_pop_dict.keys():
+        total_pop = 0
+
+        for l in range(len(country_pop_dict[i])):
+            if country_pop_dict[i][l] != '':
+                  total_pop = total_pop + int(country_pop_dict[i][l])
+
+        country_pop_dict[i] = total_pop
+
+country_pop_dict = sorted(country_pop_dict.items(), key=lambda kv: (kv[1], kv[0] ),reverse=True)
+
+print(country_pop_dict)
\ No newline at end of file