qiskit/visualization/interactive/iplot_qsphere.py
def bit_string_index(text):
    """Return the index of a string of 0s and 1s."""
    n = len(text)
    k = text.count("1")
    if text.count("0") != n - k:
        raise VisualizationError("s must be a string of 0 and 1")
    ones = [pos for pos, char in enumerate(text) if char == "1"]
    return lex_index(n, k, ones)
def bit_string_index(text):
    """Return the index of a string of 0s and 1s."""
    n = len(text)
    k = text.count("1")
    if text.count("0") != n - k:
        raise VisualizationError("s must be a string of 0 and 1")
    ones = [pos for pos, char in enumerate(text) if char == "1"]
    return lex_index(n, k, ones)
def bit_string_index ( text ) : n = len ( text ) k = text . count ( "1" ) if text . count ( "0" ) != n - k : raise VisualizationError ( "s must be a string of 0 and 1" ) ones = [ pos for pos , char in enumerate ( text ) if char == "1" ] return lex_index ( n , k , ones )
Return the index of a string of 0s and 1s.
Return the index of a string of 0s and 1s .