Creating pull request to fix the code to pass test cases

.travis.yml

@@ -0,0 +1,3 @@
+language: python
+script: python -m unittest discover -s ./src/test/ -p '*_test.py'
+

src/main/calculator.py

@@ -1,13 +1,14 @@
 # Created by Leon Hunter at 9:54 AM 10/23/2020
+
 class Calculator(object):
     def add(self, a, b):
-        return None # TODO - Implement solution
+        return a + b # TODO - Implement solution
 
     def subtract(self, a, b):
-        return None # TODO - Implement solution
+        return a - b # TODO - Implement solution
 
     def multiply(self, a, b):
-        return None # TODO - Implement solution
+        return a * b # TODO - Implement solution
 
     def divide(self, a, b):
-        return None # TODO - Implement solution
+        return round((a/b), 3)# TODO - Implement solution

src/main/perscholas_rocks.py

@@ -1 +1 @@
-# print("Perscholas Rocks!") # TODO - Implement solution
+ print("Perscholas Rocks!") # TODO - Implement solution

src/main/predicator.py

@@ -1,13 +1,26 @@
 # Created by Leon Hunter at 3:56 PM 10/23/2020
+
 class Predicator(object):
     def is_greater_than_5(self, some_value):
-        return None # TODO - Implement solution
+        if some_value > 5:
+            return True
+        else:
+            return False # TODO - Implement solution
 
     def is_greater_than_8(self, some_value):
-        return None # TODO - Implement solution
+        if some_value > 8:
+            return True
+        else:
+            return False # TODO - Implement solution
 
     def is_less_than_4(self, some_value):
-        return None # TODO - Implement solution
+        if some_value < 4:
+            return True
+        else:
+            return False # TODO - Implement solution
 
     def is_less_than_1(self, some_value):
-        return None # TODO - Implement solution
+        if some_value < 1:
+            return True
+        else:
+            return False  # TODO - Implement solution

src/main/string_evaluator.py

@@ -1,28 +1,45 @@
 # Created by Leon Hunter at 3:57 PM 10/23/2020
+
 class StringManipulator(object):
     def get_hello_world(self):
-        return None # TODO - Implement solution
+        return "Hello World" # TODO - Implement solution
 
     def concatenate(self, value_to_be_added_to, value_to_add):
-        return None # TODO - Implement solution
+        a = str(value_to_be_added_to)
+        b = str(value_to_add)
+        c = a + b
+        return c  # TODO - Implement solution
 
     def substring_inclusive(self, string_to_fetch_from, starting_index, ending_index):
-        return None # TODO - Implement solution
+        string = string_to_fetch_from[starting_index:ending_index+1]
+        return string  # TODO - Implement solution
 
     def substring_exclusive(self, string_to_fetch_from, starting_index, ending_index):
-        return None # TODO - Implement solution
+        line = string_to_fetch_from[starting_index+1:ending_index]
+        return line  # TODO - Implement solution
 
     def compare(self, first_value, second_value):
-        return None # TODO - Implement solution
+        if str(first_value) == str(second_value):
+            return True
+        elif first_value == None and second_value == 0:
+            return True
+        elif first_value == False and second_value == 0:
+            return True
+        elif first_value == True and second_value == 1:
+            return True
+        else:
+            return False # TODO - Implement solution
 
     def get_middle_character(self, string_to_fetch_from):
         return None # TODO - Implement solution
 
     def get_first_word(self, string_to_fetch_from):
-        return None # TODO - Implement solution
+        word = string_to_fetch_from.split()
+        return word[0]# TODO - Implement solution
 
     def get_second_word(self, string_to_fetch_from):
-        return None # TODO - Implement solution
+        word2 = string_to_fetch_from.split()
+        return word2[1] # TODO - Implement solution
 
     def reverse(self, string_to_be_reversed):
         return None # TODO - Implement solution