Adding missing Doctests (#1330)

* Adding doctests in abbreviation

* Adding doctests in fibonacci.py

Author: jpg-130

dynamic_programming/abbreviation.py

@@ -11,8 +11,13 @@
 daBcd -> capitalize a and c(dABCd) -> remove d (ABC)
 """
 
-
 def abbr(a, b):
+    """
+    >>> abbr("daBcd", "ABC")
+    True
+    >>> abbr("dBcd", "ABC")
+    False
+    """
     n = len(a)
     m = len(b)
     dp = [[False for _ in range(m + 1)] for _ in range(n + 1)]
@@ -28,4 +33,7 @@ def abbr(a, b):
 
 
 if __name__ == "__main__":
-    print(abbr("daBcd", "ABC"))  # expect True
+    # print(abbr("daBcd", "ABC"))  # expect True
+    import doctest
+
+    doctest.testmod()

dynamic_programming/fibonacci.py

@@ -14,8 +14,20 @@ def __init__(self, N=None):
                 self.fib_array.append(self.fib_array[i - 1] + self.fib_array[i - 2])
         elif N == 0:
             self.fib_array.append(0)
+        print(self.fib_array)
 
     def get(self, sequence_no=None):
+        """
+        >>> Fibonacci(5).get(3)
+        [0, 1, 1, 2, 3, 5]
+        [0, 1, 1, 2]
+        >>> Fibonacci(5).get(6)
+        [0, 1, 1, 2, 3, 5]
+        Out of bound.
+        >>> Fibonacci(5).get(-1)
+        [0, 1, 1, 2, 3, 5]
+        []
+        """
         if sequence_no != None:
             if sequence_no < len(self.fib_array):
                 return print(self.fib_array[: sequence_no + 1])
@@ -46,3 +58,7 @@ def get(self, sequence_no=None):
                 print("\nInvalid input, please try again.")
     except NameError:
         print("\n********* Invalid input, good bye!! ************\n")
+        
+    import doctest
+
+    doctest.testmod()