Solve 2

2/counter.py

@@ -0,0 +1,29 @@
+from collections import Counter
+
+from utils.Url import Url
+
+
+def count_string():
+    with open('string.txt') as file:
+        string = file.read()
+        return Counter(string)
+
+
+def get_lowest(counted_dict):
+    lowest_string = ''
+    for key in counted_dict:
+        if counted_dict[key] == 1:
+            lowest_string += key
+    return lowest_string
+
+
+def main():
+    counted = count_string()
+    lowest_string = get_lowest(counted)
+    builder = Url()
+    builder.solution = lowest_string
+    print(builder.url)
+
+
+if __name__ == '__main__':
+    main()