1 files changed, 24 insertions, 0 deletions
diff --git a/src/psi/exception.py b/src/psi/exception.py
index e69de29..838d72b 100644
--- a/src/psi/exception.py
+++ b/src/psi/exception.py
@@ -0,0 +1,24 @@
+class PsiException(Exception):
+    """
+    An exception class for Psi-specific exceptions.
+
+    This class inherits from the built-in `Exception` class.
+
+    Example:
+        ```python
+        raise PsiException("An error occurred in the Psi code.")
+        ```
+    """
+
+    
+class ValueError(PsiException):
+    """
+    An exception class for value-related errors in Psi code.
+
+    This class inherits from the `PsiException` class.
+
+    Example:
+        ```python
+        raise ValueError("Invalid value encountered in the Psi code.")
+        ```
+    """