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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _delete_horizontal_space(text, pos):
 """Delete all spaces and tabs around pos."""

    while pos > 0 and text[pos - 1].isspace():
        pos -= 1
    end_pos = pos
    while end_pos < len(text) and text[end_pos].isspace():
        end_pos += 1
    return text[:pos] + text[end_pos:], pos