Member Avatar for AnnetteM

Has anyone used this code to calculate quantiles?
The code defines the function 'quantile'. If one runs the code and names the script file '' and puts it in the same directory as another code file calling the function, why is the function not accessed????
Here's the copy-and-paste script for quantile:


I am a python greenhorn.

Thank you!

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A very common Python gotcha is assuming definitions in one file are automatically available to another. nailed the root cause: the function lived in a separate module and needed to be brought into the other script with an import. That is the correct fix, but there are a few extra diagnostics and pitfalls worth calling out so the solution keeps working as code or projects grow.

A safe pattern is to import the module and call the function through it; for example:

import quantile

data = [1, 2, 3, 4, 5]
print(quantile.quantile(data, 0.5))

Quick checklist to troubleshoot similar problems:

  • Confirm the filename is spelled exactly (watch for typos like quanitle.py).
  • Make sure the script is run with the directory containing quantile.py on Python’s import path (current working directory matters). Inspect sys.path or os.getcwd() from the running process to verify where Python is looking.
  • After importing, print quantile.__file__ to verify which file was actually loaded (useful when a different module of the same name is masking your file).
  • Beware of name collisions with standard-library or third-party modules (e.g., don’t name your file random.py or statistics.py).

If imports still fail, check for circular imports (two modules importing each other) and consider moving the shared function into a small utility module that other files import. These checks will prevent the “I put the file next to my script but nothing happens” confusion and make the import-based solution robust as the project grows.

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Member Avatar for Gribouillis

Once you saved the file in the same directory, if you want to use the quantile function in , you have to put

from quantile import quantile

before you use quantile in (typically at the top of the program).

Member Avatar for AnnetteM

Okay, that solved it!
Thank you very much!!!!!!!!


Has anyone used this code to calculate quantiles?
The code defines the function 'quantile'. If one runs the code and names the script file '' and puts it in the same directory as another code file calling the function, why is the function not accessed????
Here's the copy-and-paste script for quantile:


I am a python greenhorn.

Thank you!

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