diff --git a/Exit-Code-Mappings.md b/Exit-Code-Mappings.md
index 978f8ab..733c701 100644
--- a/Exit-Code-Mappings.md
+++ b/Exit-Code-Mappings.md
@@ -49,3 +49,26 @@ Runner: https://github.com/ReCodEx/utils/blob/master/runners/cs/Wrapper.cs
 | 200 | Exception | Internal error |
 | 201 | --- | No main method |
 | 202 | --- | More main methods |
+
+## Python3
+
+Runner: https://github.com/ReCodEx/utils/blob/master/runners/py/runner.py
+
+| Exit Code | Exception | Mapping |
+| --------- | --------- | ------- |
+| 0 | --- | OK |
+| 1 | BaseException | ??? |
+| 101 | AssertionError | ??? |
+| 102 | TypeError | ??? |
+| 103 | NameError | ??? |
+| 104 | EOFError | ??? |
+| 105 | AttributeError | ??? |
+| 106 | IOError | ??? |
+| 107 | OSError | ??? |
+| 108 | LookupError | ??? |
+| 109 | ValueError | ??? |
+| 110 | ZeroDivisionError | ??? |
+| 111 | ArithmeticError | ??? |
+| 112 | ImportError | ??? |
+| 113 | MemoryError | ??? |
+| 114 | SyntaxError | ??? |