This is a small collection of Python errors I've encountered while learning. I'm saving minimal examples and fixes as I go.

Each folder contains:

• reproduce.py
• fix.py
• README explanation

• NameError: name '...' is not defined

• UnboundLocalError: local variable referenced before assignment

• TypeError: 'NoneType' object is not subscriptable
• TypeError: list indices must be integers or slices, not str
• TypeError: 'int' object is not callable
• TypeError: can only concatenate str (not "int") to str
• TypeError: string indices must be integers
• TypeError: object of type 'int' has no len()
• TypeError: unhashable type: 'list'
• TypeError: 'int' object is not subscriptable
• TypeError: greet() missing 1 required positional argument
• TypeError: unsupported operand type(s) for +: 'int' and 'list'

• IndexError: list index out of range
• IndexError: tuple index out of range
• IndexError: list assignment index out of range
• IndexError: string index out of range

• AttributeError: 'list' object has no attribute 'add'
• AttributeError: 'NoneType' object has no attribute 'append'
• AttributeError: 'NoneType' object has no attribute 'split'
• AttributeError: 'tuple' object has no attribute 'append'
• AttributeError: 'str' object has no attribute 'append'
• AttributeError: 'int' object has no attribute 'append'
• AttributeError: 'dict' object has no attribute 'append'

• ImportError: cannot import name '...' from '...'

• ModuleNotFoundError: No module named 'requests'
• ModuleNotFoundError: No module named 'numpy'

• FileNotFoundError: [Errno 2] No such file or directory

• FileExistsError: [Errno 17] File exists

• JSONDecodeError: Expecting value

• UnicodeDecodeError: 'utf-8' codec can't decode byte

• PermissionError: [Errno 13] Permission denied

• SyntaxError: invalid syntax

• IndentationError: unexpected indent

• KeyError Guide
• KeyError: 'age'

• ValueError: invalid literal for int()
• ValueError: too many values to unpack
• ValueError: not enough values to unpack
• ValueError: could not convert string to float

• ZeroDivisionError: division by zero

More error cases will be added as I encounter them while learning Python.

• Contact Log: Simple grouping logic that applies fixes for common TypeErrors and AttributeErrors.
• File Log Reader