updated from Atlas

03-dict-set/index0.py

@@ -23,6 +23,6 @@ with open(sys.argv[1], encoding='utf-8') as fp:
             index[word] = occurrences          # <3>
 
 # print in alphabetical order
-for word in sorted(index, key=str.upper):
+for word in sorted(index, key=str.upper):  # <4>
     print(word, index[word])
 # END INDEX0

05-1class-func/clip_annot.py

@@ -19,7 +19,7 @@
 
 # BEGIN CLIP_ANNOT
 
-def clip(text:str, max_len:'int > 0'=80) -> str:
+def clip(text:str, max_len:'int > 0'=80) -> str:  # <1>
     """Return text clipped at the last space before or after max_len
     """
     end = None

06-dp-1class-func/classic_strategy.py

@@ -73,7 +73,7 @@ class Promotion(ABC):  # the Strategy: an Abstract Base Class
 
     @abstractmethod
     def discount(self, order):
-        """Return discount as an positive dollar amount"""
+        """Return discount as a positive dollar amount"""
 
 
 class FidelityPromo(Promotion):  # first Concrete Strategy

07-closure-deco/registration_param.py

@@ -8,9 +8,8 @@ def register(active=True):  # <2>
               % (active, func))
         if active:   # <4>
             registry.add(func)
-        else:  # <5>
-            if func in registry:
-                registry.remove(func)
+        else:
+            registry.discard(func)  # <5>
 
         return func  # <6>
     return decorate  # <7>