如何在给定 NumPy 数组的所有元素的字符之间插入空格？

在本文中，我们将讨论如何在给定字符串数组的所有元素的字符之间插入空格。
例子：

Suppose we have an array of string as follows:
A = ["geeks", "for", "geeks"]

then when we insert a space between the characters
of all elements of the above array we get the 
following output.
A = ["g e e k s", "f o r", "g e e k s"]

为此，我们将使用np.char.join()。此方法基本上返回一个字符串，其中各个字符由方法中指定的分隔字符连接。这里使用的分隔字符是空格。

Syntax: np.char.join(sep, string) 

Parameters:
sep: is any specified separator 
string: is any specified string. 

例子：

Python3

# importing numpy as np
import numpy as np
  
  
# creating array of string
x = np.array(["geeks", "for", "geeks"],
             dtype=np.str)
print("Printing the Original Array:")
print(x)
  
# inserting space using np.char.join()
r = np.char.join(" ", x)
print("Printing the array after inserting space\
between the elements")
print(r)

输出：

Printing the Original Array:
['geeks' 'for' 'geeks']
Printing the array after inserting spacebetween the elements
['g e e k s' 'f o r' 'g e e k s']