chore(types): fill out remaining partial types. <!-- Thank you for contributing to Pyodide! All improvements are welcome,
     so don't be afraid to make a PR. -->

### Description

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     - reasoning for the change
     - some details of updated code
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Filling out remaining partially typed functions. Had to guess on a few, maybe some Any's could be avoided.

# http://stackoverflow.com/questions/14553331/how-to-improve-numpy-performance-in-this-short-code
# pythran export repeating(float[], int)
# setup: import numpy as np ; a = np.random.rand(10000)
# run: repeating(a, 20)

import numpy as np


def repeating(x, nvar_y):
    nvar_x = x.shape[0]
    y = np.empty(nvar_x * (1 + nvar_y))
    y[0:nvar_x] = x[0:nvar_x]
    y[nvar_x:] = np.repeat(x, nvar_y)
    return y

# http://stackoverflow.com/questions/14553331/how-to-improve-numpy-performance-in-this-short-code
# pythran export repeating(float[], int)
# setup: import numpy as np ; a = np.random.rand(10000)
# run: repeating(a, 20)

import numpy as np


def repeating(x, nvar_y):
    nvar_x = x.shape[0]
    y = np.empty(nvar_x * (1 + nvar_y))
    y[0:nvar_x] = x[0:nvar_x]
    y[nvar_x:] = np.repeat(x, nvar_y)
    return y
