Fix broken links

advishnuprasad · advishnuprasad · commit 1809ac0006cb · 2020-05-29T19:26:03.000+05:30
diff --git a/Notes/02_Working_with_data/01_Datatypes.md b/Notes/02_Working_with_data/01_Datatypes.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (1.6 Files)](../01_Introduction/06_Files.md) \| [Next (2.2 Containers)](02_Containers)
+[Contents](../Contents.md) \| [Previous (1.6 Files)](../01_Introduction/06_Files.md) \| [Next (2.2 Containers)](02_Containers.md)
 
 # 2.1 Datatypes and Data structures
 
@@ -446,4 +446,4 @@ dict_items([('name', 'AA'), ('shares', 75), ('price', 32.2), ('date', (6, 11, 20
 >>>
 ```
 
-[Contents](../Contents.md) \| [Previous (1.6 Files)](../01_Introduction/06_Files.md) \| [Next (2.2 Containers)](02_Containers)
+[Contents](../Contents.md) \| [Previous (1.6 Files)](../01_Introduction/06_Files.md) \| [Next (2.2 Containers)](02_Containers.md)
diff --git a/Notes/02_Working_with_data/02_Containers.md b/Notes/02_Working_with_data/02_Containers.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (2.1 Datatypes)](01_Datatypes) \| [Next (2.3 Formatting)](03_Formatting)
+[Contents](../Contents.md) \| [Previous (2.1 Datatypes)](01_Datatypes.md) \| [Next (2.3 Formatting)](03_Formatting.md)
 
 # 2.2 Containers
 
@@ -442,5 +442,4 @@ should take the list of stocks in Exercise 2.5 and the dictionary of
 prices in Exercise 2.6 and computes the current value of the portfolio
 along with the gain/loss.
 
-[Contents](../Contents.md) \| [Previous (2.1 Datatypes)](01_Datatypes) \| [Next (2.3 Formatting)](03_Formatting)
-
+[Contents](../Contents.md) \| [Previous (2.1 Datatypes)](01_Datatypes.md) \| [Next (2.3 Formatting)](03_Formatting.md)
diff --git a/Notes/02_Working_with_data/03_Formatting.md b/Notes/02_Working_with_data/03_Formatting.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (2.2 Containers)](02_Containers) \| [Next (2.4 Sequences)](04_Sequences)
+[Contents](../Contents.md) \| [Previous (2.2 Containers)](02_Containers.md) \| [Next (2.4 Sequences)](04_Sequences.md)
 
 # 2.3 Formatting
 
@@ -299,4 +299,4 @@ How would you modify your code so that the price includes the currency symbol ($
        IBM        100    $106.28      35.84
 ```
 
-[Contents](../Contents.md) \| [Previous (2.2 Containers)](02_Containers) \| [Next (2.4 Sequences)](04_Sequences)
+[Contents](../Contents.md) \| [Previous (2.2 Containers)](02_Containers.md) \| [Next (2.4 Sequences)](04_Sequences.md)
diff --git a/Notes/02_Working_with_data/04_Sequences.md b/Notes/02_Working_with_data/04_Sequences.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (2.3 Formatting)](03_Formatting) \| [Next (2.5 Collections)](05_Collections)
+[Contents](../Contents.md) \| [Previous (2.3 Formatting)](03_Formatting.md) \| [Next (2.5 Collections)](05_Collections.md)
 
 # 2.4 Sequences
 
@@ -546,4 +546,4 @@ Also, be aware that `zip()` stops once the shortest input sequence is exhausted.
 >>>
 ```
 
-[Contents](../Contents.md) \| [Previous (2.3 Formatting)](03_Formatting) \| [Next (2.5 Collections)](05_Collections)
+[Contents](../Contents.md) \| [Previous (2.3 Formatting)](03_Formatting.md) \| [Next (2.5 Collections)](05_Collections.md)
diff --git a/Notes/02_Working_with_data/05_Collections.md b/Notes/02_Working_with_data/05_Collections.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (2.4 Sequences)](04_Sequences) \| [Next (2.6 List Comprehensions)](06_List_comprehension)
+[Contents](../Contents.md) \| [Previous (2.4 Sequences)](04_Sequences.md) \| [Next (2.6 List Comprehensions)](06_List_comprehension.md)
 
 # 2.5 collections module
 
@@ -168,4 +168,4 @@ in all of Python.  In fact, we could do an extended tutorial on just
 that.  However, doing so now would also be a distraction.  For now,
 put `collections` on your list of bedtime reading for later.
 
-[Contents](../Contents.md) \| [Previous (2.4 Sequences)](04_Sequences) \| [Next (2.6 List Comprehensions)](06_List_comprehension)
+[Contents](../Contents.md) \| [Previous (2.4 Sequences)](04_Sequences.md) \| [Next (2.6 List Comprehensions)](06_List_comprehension.md)
diff --git a/Notes/02_Working_with_data/06_List_comprehension.md b/Notes/02_Working_with_data/06_List_comprehension.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (2.5 Collections)](05_Collections) \| [Next (2.7 Object Model)](07_Objects)
+[Contents](../Contents.md) \| [Previous (2.5 Collections)](05_Collections.md) \| [Next (2.7 Object Model)](07_Objects.md)
 
 # 2.6 List Comprehensions
 
@@ -326,4 +326,4 @@ extraction, and so forth.  Becoming a guru master of list
 comprehensions can substantially reduce the time spent devising a
 solution.  Also, don't forget about the `collections` module.
 
-[Contents](../Contents.md) \| [Previous (2.5 Collections)](05_Collections) \| [Next (2.7 Object Model)](07_Objects)
+[Contents](../Contents.md) \| [Previous (2.5 Collections)](05_Collections.md) \| [Next (2.7 Object Model)](07_Objects.md)
diff --git a/Notes/02_Working_with_data/07_Objects.md b/Notes/02_Working_with_data/07_Objects.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (2.6 List Comprehensions)](06_List_comprehension) \| [Next (3 Program Organization)](../03_Program_organization/00_Overview)
+[Contents](../Contents.md) \| [Previous (2.6 List Comprehensions)](06_List_comprehension.md) \| [Next (3 Program Organization)](../03_Program_organization/00_Overview.md)
 
 # 2.7 Objects
 
@@ -451,4 +451,4 @@ Bonus: How would you modify this example to additionally parse the
 Spend some time to ponder what you’ve done in this exercise. We’ll
 revisit these ideas a little later.
 
-[Contents](../Contents.md) \| [Previous (2.6 List Comprehensions)](06_List_comprehension) \| [Next (3 Program Organization)](../03_Program_organization/00_Overview)
+[Contents](../Contents.md) \| [Previous (2.6 List Comprehensions)](06_List_comprehension.md) \| [Next (3 Program Organization)](../03_Program_organization/00_Overview.md)
diff --git a/Notes/03_Program_organization/01_Script.md b/Notes/03_Program_organization/01_Script.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (2.7 Object Model)](../02_Working_with_data/07_Objects) \| [Next (3.2 More on Functions)](02_More_functions)
+[Contents](../Contents.md) \| [Previous (2.7 Object Model)](../02_Working_with_data/07_Objects.md) \| [Next (3.2 More on Functions)](02_More_functions.md)
 
 # 3.1 Scripting
 
@@ -299,4 +299,4 @@ you can.  At some point, that script is going to grow and you'll wish
 you had a bit more organization.  Also, a little known fact is that Python
 runs a bit faster if you use functions.
 
-[Contents](../Contents.md) \| [Previous (2.7 Object Model)](../02_Working_with_data/07_Objects) \| [Next (3.2 More on Functions)](02_More_functions)
+[Contents](../Contents.md) \| [Previous (2.7 Object Model)](../02_Working_with_data/07_Objects.md) \| [Next (3.2 More on Functions)](02_More_functions.md)
diff --git a/Notes/03_Program_organization/02_More_functions.md b/Notes/03_Program_organization/02_More_functions.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (3.1 Scripting)](01_Script) \| [Next (3.3 Error Checking)](03_Error_checking)
+[Contents](../Contents.md) \| [Previous (3.1 Scripting)](01_Script.md) \| [Next (3.3 Error Checking)](03_Error_checking.md)
 
 # 3.2 More on Functions
 
@@ -513,4 +513,4 @@ select out columns of interest, perform type conversions, without
 having to worry too much about the inner workings of files or the
 `csv` module.
 
-[Contents](../Contents.md) \| [Previous (3.1 Scripting)](01_Script) \| [Next (3.3 Error Checking)](03_Error_checking)
+[Contents](../Contents.md) \| [Previous (3.1 Scripting)](01_Script.md) \| [Next (3.3 Error Checking)](03_Error_checking.md)
diff --git a/Notes/03_Program_organization/03_Error_checking.md b/Notes/03_Program_organization/03_Error_checking.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (3.2 More on Functions)](02_More_functions) \| [Next (3.4 Modules)](04_Modules)
+[Contents](../Contents.md) \| [Previous (3.2 More on Functions)](02_More_functions.md) \| [Next (3.4 Modules)](04_Modules.md)
 
 # 3.3 Error Checking
 
@@ -402,4 +402,4 @@ most programs.  As a general rule, you shouldn’t silently ignore
 errors.  Instead, it’s better to report problems and to give the user
 an option to the silence the error message if they choose to do so.
 
-[Contents](../Contents.md) \| [Previous (3.2 More on Functions)](02_More_functions) \| [Next (3.4 Modules)](04_Modules)
+[Contents](../Contents.md) \| [Previous (3.2 More on Functions)](02_More_functions.md) \| [Next (3.4 Modules)](04_Modules.md)
diff --git a/Notes/03_Program_organization/04_Modules.md b/Notes/03_Program_organization/04_Modules.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (3.3 Error Checking)](03_Error_checking) \| [Next (3.5 Main Module)](05_Main_module)
+[Contents](../Contents.md) \| [Previous (3.3 Error Checking)](03_Error_checking.md) \| [Next (3.5 Main Module)](05_Main_module.md)
 
 # 3.4 Modules
 
@@ -338,4 +338,4 @@ also contains `read_portfolio()` and `read_prices()` functions.  And
 finally, `pcost.py` which computes the portfolio cost, but makes use
 of the `read_portfolio()` function written for the `report.py` program.
 
-[Contents](../Contents.md) \| [Previous (3.3 Error Checking)](03_Error_checking) \| [Next (3.5 Main Module)](05_Main_module)
+[Contents](../Contents.md) \| [Previous (3.3 Error Checking)](03_Error_checking.md) \| [Next (3.5 Main Module)](05_Main_module.md)
diff --git a/Notes/03_Program_organization/05_Main_module.md b/Notes/03_Program_organization/05_Main_module.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (3.4 Modules)](04_Modules) \| [Next (3.6 Design Discussion)](06_Design_discussion)
+[Contents](../Contents.md) \| [Previous (3.4 Modules)](04_Modules.md) \| [Next (3.6 Design Discussion)](06_Design_discussion.md)
 
 # 3.5 Main Module
 
@@ -303,4 +303,4 @@ bash $ python3 pcost.py Data/portfolio.csv
 Total cost: 44671.15
 ```
 
-[Contents](../Contents.md) \| [Previous (3.4 Modules)](04_Modules) \| [Next (3.6 Design Discussion)](06_Design_discussion)
+[Contents](../Contents.md) \| [Previous (3.4 Modules)](04_Modules.md) \| [Next (3.6 Design Discussion)](06_Design_discussion.md)
diff --git a/Notes/03_Program_organization/06_Design_discussion.md b/Notes/03_Program_organization/06_Design_discussion.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (3.5 Main module)](05_Main_module) \| [Next (4 Classes)](../04_Classes_objects/00_Overview)
+[Contents](../Contents.md) \| [Previous (3.5 Main module)](05_Main_module.md) \| [Next (4 Classes)](../04_Classes_objects/00_Overview.md)
 
 # 3.6 Design Discussion
 
@@ -134,4 +134,4 @@ Fix the `read_portfolio()` and `read_prices()` functions in the
 Afterwards, your `report.py` and `pcost.py` programs should work
 the same way they always did.
 
-[Contents](../Contents.md) \| [Previous (3.5 Main module)](05_Main_module) \| [Next (4 Classes)](../04_Classes_objects/00_Overview)
+[Contents](../Contents.md) \| [Previous (3.5 Main module)](05_Main_module.md) \| [Next (4 Classes)](../04_Classes_objects/00_Overview.md)
diff --git a/Notes/04_Classes_objects/01_Class.md b/Notes/04_Classes_objects/01_Class.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (3.6 Design discussion)](../03_Program_organization/06_Design_discussion) \| [Next (4.2 Inheritance)](02_Inheritance)
+[Contents](../Contents.md) \| [Previous (3.6 Design discussion)](../03_Program_organization/06_Design_discussion.md) \| [Next (4.2 Inheritance)](02_Inheritance.md)
 
 # 4.1 Classes
 
@@ -295,4 +295,4 @@ You should be able to run your functions the same as before:
 >>>
 ```
 
-[Contents](../Contents.md) \| [Previous (3.6 Design discussion)](../03_Program_organization/06_Design_discussion) \| [Next (4.2 Inheritance)](02_Inheritance)
+[Contents](../Contents.md) \| [Previous (3.6 Design discussion)](../03_Program_organization/06_Design_discussion.md) \| [Next (4.2 Inheritance)](02_Inheritance.md)
diff --git a/Notes/04_Classes_objects/02_Inheritance.md b/Notes/04_Classes_objects/02_Inheritance.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (4.1 Classes)](01_Class) \| [Next (4.3 Special methods)](03_Special_methods)
+[Contents](../Contents.md) \| [Previous (4.1 Classes)](01_Class.md) \| [Next (4.3 Special methods)](03_Special_methods.md)
 
 # 4.2 Inheritance
 
@@ -624,4 +624,4 @@ on the topic of design patterns (although understanding what happened
 in this exercise will take you pretty far in terms of using objects in
 a practically useful way).
 
-[Contents](../Contents.md) \| [Previous (4.1 Classes)](01_Class) \| [Next (4.3 Special methods)](03_Special_methods)
+[Contents](../Contents.md) \| [Previous (4.1 Classes)](01_Class.md) \| [Next (4.3 Special methods)](03_Special_methods.md)
diff --git a/Notes/04_Classes_objects/03_Special_methods.md b/Notes/04_Classes_objects/03_Special_methods.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (4.2 Inheritance)](02_Inheritance) \| [Next (4.4 Exceptions)](04_Defining_exceptions)
+[Contents](../Contents.md) \| [Previous (4.2 Inheritance)](02_Inheritance.md) \| [Next (4.4 Exceptions)](04_Defining_exceptions.md)
 
 # 4.3 Special Methods
 
@@ -287,5 +287,5 @@ it should work:
 >>>
 ```
 
-[Contents](../Contents.md) \| [Previous (4.2 Inheritance)](02_Inheritance) \| [Next (4.4 Exceptions)](04_Defining_exceptions)
+[Contents](../Contents.md) \| [Previous (4.2 Inheritance)](02_Inheritance.md) \| [Next (4.4 Exceptions)](04_Defining_exceptions.md)
 
diff --git a/Notes/04_Classes_objects/04_Defining_exceptions.md b/Notes/04_Classes_objects/04_Defining_exceptions.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (4.3 Special methods)](03_Special_methods) \| [Next (5 Object Model)](../05_Object_model/00_Overview)
+[Contents](../Contents.md) \| [Previous (4.3 Special methods)](03_Special_methods.md) \| [Next (5 Object Model)](../05_Object_model/00_Overview.md)
 
 # 4.4 Defining Exceptions
 
@@ -51,4 +51,4 @@ FormatError: Unknown table format xls
 >>>
 ```
 
-[Contents](../Contents.md) \| [Previous (4.3 Special methods)](03_Special_methods) \| [Next (5 Object Model)](../05_Object_model/00_Overview)
+[Contents](../Contents.md) \| [Previous (4.3 Special methods)](03_Special_methods.md) \| [Next (5 Object Model)](../05_Object_model/00_Overview.md)
diff --git a/Notes/05_Object_model/01_Dicts_revisited.md b/Notes/05_Object_model/01_Dicts_revisited.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (4.4 Exceptions)](../04_Classes_objects/04_Defining_exceptions) \| [Next (5.2 Encapsulation)](02_Classes_encapsulation)
+[Contents](../Contents.md) \| [Previous (4.4 Exceptions)](../04_Classes_objects/04_Defining_exceptions.md) \| [Next (5.2 Encapsulation)](02_Classes_encapsulation.md)
 
 # 5.1 Dictionaries Revisited
 
@@ -656,5 +656,4 @@ Here's how the `cost()` method of instance `n` above would be found:
 >>>
 ```
 
-[Contents](../Contents.md) \| [Previous (4.4 Exceptions)](../04_Classes_objects/04_Defining_exceptions) \| [Next (5.2 Encapsulation)](02_Classes_encapsulation)
-
+[Contents](../Contents.md) \| [Previous (4.4 Exceptions)](../04_Classes_objects/04_Defining_exceptions.md) \| [Next (5.2 Encapsulation)](02_Classes_encapsulation.md)
diff --git a/Notes/05_Object_model/02_Classes_encapsulation.md b/Notes/05_Object_model/02_Classes_encapsulation.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (5.1 Dictionaries Revisited)](01_Dicts_revisited) \| [Next (6 Generators)](../06_Generators/00_Overview)
+[Contents](../Contents.md) \| [Previous (5.1 Dictionaries Revisited)](01_Dicts_revisited.md) \| [Next (6 Generators)](../06_Generators/00_Overview.md)
 
 # 5.2 Classes and Encapsulation
 
@@ -353,4 +353,4 @@ optimization on classes that serve as data structures.  Using slots
 will make such programs use far-less memory and run a bit faster.
 You should probably avoid `__slots__` on most other classes however.
 
-[Contents](../Contents.md) \| [Previous (5.1 Dictionaries Revisited)](01_Dicts_revisited) \| [Next (6 Generators)](../06_Generators/00_Overview)
+[Contents](../Contents.md) \| [Previous (5.1 Dictionaries Revisited)](01_Dicts_revisited.md) \| [Next (6 Generators)](../06_Generators/00_Overview.md)
diff --git a/Notes/06_Generators/01_Iteration_protocol.md b/Notes/06_Generators/01_Iteration_protocol.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (5.2 Encapsulation)](../05_Object_model/02_Classes_encapsulation) \| [Next (6.2 Customizing Iteration)](02_Customizing_iteration)
+[Contents](../Contents.md) \| [Previous (5.2 Encapsulation)](../05_Object_model/02_Classes_encapsulation.md) \| [Next (6.2 Customizing Iteration)](02_Customizing_iteration.md)
 
 # 6.1 Iteration Protocol
 
@@ -314,4 +314,4 @@ Python normally work.  For container objects, supporting iteration,
 indexing, containment, and other kinds of operators is an important
 part of this.
 
-[Contents](../Contents.md) \| [Previous (5.2 Encapsulation)](../05_Object_model/02_Classes_encapsulation) \| [Next (6.2 Customizing Iteration)](02_Customizing_iteration)
+[Contents](../Contents.md) \| [Previous (5.2 Encapsulation)](../05_Object_model/02_Classes_encapsulation.md) \| [Next (6.2 Customizing Iteration)](02_Customizing_iteration.md)
diff --git a/Notes/06_Generators/02_Customizing_iteration.md b/Notes/06_Generators/02_Customizing_iteration.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (6.1 Iteration Protocol)](01_Iteration_protocol) \| [Next (6.3 Producer/Consumer)](03_Producers_consumers)
+[Contents](../Contents.md) \| [Previous (6.1 Iteration Protocol)](01_Iteration_protocol.md) \| [Next (6.3 Producer/Consumer)](03_Producers_consumers.md)
 
 # 6.2 Customizing Iteration
 
@@ -267,4 +267,4 @@ is now this completely general purpose utility that you can use in any program.
 example, you could use it to watch server logs, debugging logs, and other similar data sources.
 That's kind of cool.
 
-[Contents](../Contents.md) \| [Previous (6.1 Iteration Protocol)](01_Iteration_protocol) \| [Next (6.3 Producer/Consumer)](03_Producers_consumers)
+[Contents](../Contents.md) \| [Previous (6.1 Iteration Protocol)](01_Iteration_protocol.md) \| [Next (6.3 Producer/Consumer)](03_Producers_consumers.md)
diff --git a/Notes/06_Generators/03_Producers_consumers.md b/Notes/06_Generators/03_Producers_consumers.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (6.2 Customizing Iteration)](02_Customizing_iteration) \| [Next (6.4 Generator Expressions)](04_More_generators)
+[Contents](../Contents.md) \| [Previous (6.2 Customizing Iteration)](02_Customizing_iteration.md) \| [Next (6.4 Generator Expressions)](04_More_generators.md)
 
 # 6.3 Producers, Consumers and Pipelines
 
@@ -299,6 +299,4 @@ pipelines.  In addition, you can create functions that package a
 series of pipeline stages into a single function call (for example,
 the `parse_stock_data()` function).
 
-[Contents](../Contents.md) \| [Previous (6.2 Customizing Iteration)](02_Customizing_iteration) \| [Next (6.4 Generator Expressions)](04_More_generators)
-
-
+[Contents](../Contents.md) \| [Previous (6.2 Customizing Iteration)](02_Customizing_iteration.md) \| [Next (6.4 Generator Expressions)](04_More_generators.md)
diff --git a/Notes/06_Generators/04_More_generators.md b/Notes/06_Generators/04_More_generators.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (6.3 Producer/Consumer)](03_Producers_consumers) \| [Next (7 Advanced Topics)](../07_Advanced_Topics/00_Overview)
+[Contents](../Contents.md) \| [Previous (6.3 Producer/Consumer)](03_Producers_consumers.md) \| [Next (7 Advanced Topics)](../07_Advanced_Topics/00_Overview.md)
 
 # 6.4 More Generators
 
@@ -180,4 +180,4 @@ Modify the `ticker.py` program to use generator expressions
 as appropriate.
 
 
-[Contents](../Contents.md) \| [Previous (6.3 Producer/Consumer)](03_Producers_consumers) \| [Next (7 Advanced Topics)](../07_Advanced_Topics/00_Overview)
+[Contents](../Contents.md) \| [Previous (6.3 Producer/Consumer)](03_Producers_consumers.md) \| [Next (7 Advanced Topics)](../07_Advanced_Topics/00_Overview.md)
diff --git a/Notes/07_Advanced_Topics/01_Variable_arguments.md b/Notes/07_Advanced_Topics/01_Variable_arguments.md
@@ -1,5 +1,5 @@
 
-[Contents](../Contents.md) \| [Previous (6.4 Generator Expressions)](../06_Generators/04_More_generators) \| [Next (7.2 Anonymous Functions)](02_Anonymous_function)
+[Contents](../Contents.md) \| [Previous (6.4 Generator Expressions)](../06_Generators/04_More_generators.md) \| [Next (7.2 Anonymous Functions)](02_Anonymous_function.md)
 
 # 7.1 Variable Arguments
 
@@ -230,4 +230,4 @@ Now, try silencing the errors:
 >>>
 ```
 
-[Contents](../Contents.md) \| [Previous (6.4 Generator Expressions)](../06_Generators/04_More_generators) \| [Next (7.2 Anonymous Functions)](02_Anonymous_function)
+[Contents](../Contents.md) \| [Previous (6.4 Generator Expressions)](../06_Generators/04_More_generators.md) \| [Next (7.2 Anonymous Functions)](02_Anonymous_function.md)
diff --git a/Notes/07_Advanced_Topics/02_Anonymous_function.md b/Notes/07_Advanced_Topics/02_Anonymous_function.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (7.1 Variable Arguments)](01_Variable_arguments) \| [Next (7.3 Returning Functions)](03_Returning_functions)
+[Contents](../Contents.md) \| [Previous (7.1 Variable Arguments)](01_Variable_arguments.md) \| [Next (7.3 Returning Functions)](03_Returning_functions.md)
 
 # 7.2 Anonymous Functions and Lambda
 
@@ -165,4 +165,4 @@ Note: `lambda` is a useful shortcut because it allows you to
 define a special processing function directly in the call to `sort()` as
 opposed to having to define a separate function first.
 
-[Contents](../Contents.md) \| [Previous (7.1 Variable Arguments)](01_Variable_arguments) \| [Next (7.3 Returning Functions)](03_Returning_functions)
+[Contents](../Contents.md) \| [Previous (7.1 Variable Arguments)](01_Variable_arguments.md) \| [Next (7.3 Returning Functions)](03_Returning_functions.md)
diff --git a/Notes/07_Advanced_Topics/03_Returning_functions.md b/Notes/07_Advanced_Topics/03_Returning_functions.md
@@ -1,4 +1,4 @@
-[Contents](../Contents.md) \| [Previous (7.2 Anonymous Functions)](02_Anonymous_function) \| [Next (7.4 Decorators)](04_Function_decorators)
+[Contents](../Contents.md) \| [Previous (7.2 Anonymous Functions)](02_Anonymous_function.md) \| [Next (7.4 Decorators)](04_Function_decorators.md)
 
 # 7.3 Returning Functions
 
@@ -237,4 +237,4 @@ is often good.
 Rewrite the `Stock` class in the file `stock.py` so that it uses typed properties
 as shown.
 
-[Contents](../Contents.md) \| [Previous (7.2 Anonymous Functions)](02_Anonymous_function) \| [Next (7.4 Decorators)](04_Function_decorators)
+[Contents](../Contents.md) \| [Previous (7.2 Anonymous Functions)](02_Anonymous_function.md) \| [Next (7.4 Decorators)](04_Function_decorators.md)
diff --git a/Notes/07_Advanced_Topics/04_Function_decorators.md b/Notes/07_Advanced_Topics/04_Function_decorators.md
diff --git a/Notes/07_Advanced_Topics/05_Decorated_methods.md b/Notes/07_Advanced_Topics/05_Decorated_methods.md
diff --git a/Notes/08_Testing_debugging/01_Testing.md b/Notes/08_Testing_debugging/01_Testing.md
diff --git a/Notes/08_Testing_debugging/02_Logging.md b/Notes/08_Testing_debugging/02_Logging.md
diff --git a/Notes/08_Testing_debugging/03_Debugging.md b/Notes/08_Testing_debugging/03_Debugging.md
diff --git a/Notes/09_Packages/01_Packages.md b/Notes/09_Packages/01_Packages.md
diff --git a/Notes/09_Packages/02_Third_party.md b/Notes/09_Packages/02_Third_party.md
