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Implement a LogLineParser class that parses log lines in the format LEVEL:MESSAGE using pyparsing…

Implement a LogLineParser class that parses log lines in the format LEVEL:MESSAGE using pyparsing…: a task in r2e-code-instruct-qwen3.5 (Harbor dataset). Input: "INFO:Server started successfully" Output: ParseResults( 'INFO', ':', 'Server started successfully' )

The task

Input: `"INFO:Server started successfully"` Output: `ParseResults(['INFO', ':', 'Server started successfully'])`

Part of Essacheez/r2e-code-instruct-qwen3.5.