A 'SyntaxError' occurs when the Python interpreter encounters invalid syntax. This can be caused by missing colons, parentheses, or indentation errors. Carefully review your code and check for common syntax mistakes.

The 'SyntaxError' is one of the most common errors encountered by Python developers, often indicating that the code does not conform to the correct syntax rules of the language. This error can occur due to various reasons, such as missing colons at the end of control statements, mismatched parentheses, or improper indentation. When you encounter a SyntaxError, the first step is to read the error message carefully, as it usually points to the specific line of code where the error was detected. From there, review the surrounding code for common syntax issues. For example, ensure that all functions, loops, and conditional statements have the necessary colons and that all parentheses and brackets are correctly matched. Additionally, improper indentation can lead to SyntaxErrors in Python, as the language relies on indentation to define code blocks. Using a good code editor with syntax highlighting can help you catch these errors before running your code. By diligently checking for these issues and following best practices for code formatting, you can effectively avoid and resolve SyntaxErrors in your Python projects.