Added the termination features

src/fitness_function/__init__.py

@@ -1 +1,2 @@
-from .default_fitness_example import default_fitness_example
+# FROM (. means local) file_name IMPORT function_name
+from .is_the_value_5 import is_the_value_5

src/fitness_function/default_fitness_example.py

@@ -1,2 +0,0 @@
-def default_fitness_example():
-    pass

src/fitness_function/is_the_value_5.py

@@ -0,0 +1,14 @@
+def is_the_value_5(chromosome):
+    """A very simple case test function - If the chromosomes gene value is a 5 add one
+     to the chromosomes overall fitness value."""
+
+    # Overall fitness value
+    fitness = 0
+    # For each gene in the chromosome
+    for gene in chromosome.genes:
+        # Check if its value = 5
+        if(gene.value == 5):
+            # If its value is 5 then add one to
+            # the overal fitness of the chromosome.
+            fitness += 1
+    return fitness