Adding bridge pattern in python

Author: Alan Souza Fagundes

Diff for: Structural/Bridge/python/BridgePattern.py

@@ -0,0 +1,56 @@
+from abc import ABC, abstractmethod
+
+class Implementation(ABC):
+
+    @abstractmethod
+    def operation_a(self) -> str:
+        pass
+    
+    @abstractmethod
+    def operation_b(self, num: int):
+        pass
+
+class Abstraction:
+
+    def __init__(self, implementation: Implementation):
+        self.implementation = implementation
+    
+    def operation_one(self):
+        self.implementation.operation_a()
+        self.implementation.operation_b(1)
+    
+    def operation_two(self):
+        self.implementation.operation_a()
+    
+
+class ConcreteImplementationAlpha(Implementation):
+
+    def operation_a(self) -> str:
+        print("Alpha a")
+    
+    def operation_b(self, num: int):
+        print("Alpha b {0}".format(num))
+
+class ConcreteImplementationBetha(Implementation):
+
+    def operation_a(self) -> str:
+        print("Betha a")
+    
+    def operation_b(self, num: int):
+        print("Betha b {0}".format(num))
+
+class ExtendedAbstraction(Abstraction):
+
+    def operation_tree(self):
+        self.implementation.operation_b(2)
+
+def main():
+    abstractions = [Abstraction(ConcreteImplementationAlpha()), 
+    Abstraction(ConcreteImplementationBetha())]
+
+    for abstraction in abstractions:
+        abstraction.operation_one()
+
+
+if __name__ == "__main__":
+    main()