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pythonnumpy
RW Kang
RW Kang

Reputation: 25

what is .random. in this statement?

numpy.random.randn(100)

I understand numpy is the name of the imported module and randn is a method defined within the module but not sure what .random. is

Thanks and happy new year!

Upvotes: 0

Views: 74

Answers (2)

chluebi
chluebi

Reputation: 1829

@Yann's answer is definetly correct but might not make the whole picture clear. The best analogy for package structure are probably folders. Imagine the whole numpy package as big folder. In said folder are a bunch of files, these are our functions. But you also have subfolder. random is one of these subfolders. It contains more files (functions) who are grouped together because they have to do with the same thing, namely randomness.

numpy
├── arccos
├── vectorize
├── random
│   ├── randn
│   ├── <more functions in the random subfolder>
│   <more functions in the numpy folder>

Upvotes: 1

Rodger Francis
Rodger Francis

Reputation: 21

The .random part is a module within numpy,how you can confirm this is to use the python interpreter 

#first import numpy into the interpreter
import numpy 

#this is so the interpreter displays the info about the random module
numpy.random

Output should be something like "<module 'numpy.random' from 'path to module'>

Upvotes: 1

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