Das deutsche Python-Forum

Code: Alles auswählen

def run(data):
    # update the data
    t,y = data
    xdata.append(t)
    ydata.append(y)
    xmin, xmax = ax.get_xlim()

    if t >= xmax:
        ax.set_xlim(xmin, 2*xmax)
        ax.figure.canvas.draw()
    line.set_data(xdata, ydata)

    return line,

Code: Alles auswählen

return line,

Code: Alles auswählen

line, = ax.plot([], [], lw=2)

Code: Alles auswählen

In [1]: a, b = 1, 2

In [2]: c, = 3,4
---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-2-575972309de8> in <module>()
----> 1 c, = 3,4

ValueError: too many values to unpack

In [3]: c, _ = 3,4

In [4]: a, b, c, _
Out[4]: (1, 2, 3, 4)

Code: Alles auswählen

>>> x = 1, 2, 3
>>> x
(1, 2, 3)

Code: Alles auswählen

>>> a, b, c = x
>>> a
1
>>> b
2
>>> c
3

Code: Alles auswählen

>>> x = 1,
>>> x
(1,)

Code: Alles auswählen

>>> y, = x
>>> y
1