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NumPy | join method

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schedule Jul 1, 2022
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Numpy's join(~) method returns a Numpy array of strings where a string in the first array is inserted between every two adjacent characters of a string the second array. Check the examples for clarification.

Parameters

1. sep | array-like

A string used to separate seq.

2. seq | array-like

A sequence of strings that are to be separated.

Return value

A Numpy array of strings.

Examples

To separate "abfee" using "*" and "cd" using "**":

np.char.join(["*", "**"], ["abfee", "cd"])
array(['a*b*f*e*e', 'c**d'], dtype='<U9')

If the seq strings are less than two characters, the original string is returned:

np.char.join(["*", "**"], ["", "c"])
array(['', 'c'], dtype='<U1')
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Published by Isshin Inada
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