exception handling

Author: imashwini09

Exception_handling/lecture_1.py

@@ -0,0 +1,7 @@
+try:
+    raise RuntimeError
+    print("try something")
+except RuntimeError:
+    print("handling runtime exception")
+finally:
+    print("finally")

Exception_handling/lecture_2.py

@@ -0,0 +1,11 @@
+# even after 8th line throwing error finally block will execute
+
+try:
+    raise RuntimeError
+    print("try something")
+except RuntimeError:
+    print("handling runtime exception")
+    raise RuntimeError
+    print("handling error again")
+finally:
+    print("finally")

Exception_handling/lecture_3.py

@@ -0,0 +1,6 @@
+
+try:
+    raise RuntimeError
+    print("try something")
+finally:
+    print("finally")

Exception_handling/lecture_4.py

@@ -0,0 +1,8 @@
+# To stop Finally block abruptly
+
+try:
+    raise RuntimeError
+    print("try something")
+finally:
+    raise RuntimeError
+    print("finally")

Exception_handling/lecture_5.py

@@ -0,0 +1,16 @@
+#  try except and else
+
+try:
+    print("try something")
+except RuntimeError:
+    print("handling runtime exception")
+else:
+    print("No exception found")
+
+try:
+    print("try something")
+    raise RuntimeError
+except RuntimeError:
+    print("handling runtime exception")
+else:
+    print("No exception found")

Exception_handling/lecture_6.py

@@ -0,0 +1,14 @@
+# TO handle custom exception we need to create a class of it
+# To make to a Exception we need o inherit from base Exception class
+
+class TranscationFailed(Exception):
+    def __init__(self,message):
+        self.message = message
+
+try:
+    print("try something")
+    raise TranscationFailed("failed transcation")
+except RuntimeError:
+    print("Runtime Error")
+else:
+    print("some other exception")