The linecache Module
The linecache module in Example 13-13 is used to read lines from module source code. It caches
recently visited modules (the entire source file, actually).
Example 13-13. Using the linecache module
File: linecache-example-1.py
import linecache
print linecache.getline("linecache-example-1.py", 5)
print linecache.getline("linecache-example-1.py", 5)This module is used by the traceback module.
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