完成第三题

str_and_generater.py

@@ -0,0 +1,14 @@
+import string
+import random
+import pprint
+
+x = string.ascii_letters + string.digits
+y = [["".join([random.choice(x) for _ in range(random.randint(1, 100))]) for _ in range(random.randint(1, 10))] for _ in range(50)]
+
+
+def sort_ll(item):
+    item.sort(key = lambda x: len(x), reverse=True)
+    return len(item)
+
+y.sort(key=sort_ll, reverse=True)
+pprint.pprint(y)