Resolved: can not plot the scatter plot

Dear Team ,
I am getting this error when I try to plot the scatter plot as you did in the lecture , what do I am missing here ?

plt.scatter(x1,y,color='C0')
plt.xlabel('SAT',fontsize=20)
plt.ylabel('Admitted',fontsize=20)
plt.show()

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
/var/folders/2r/8pcly7hx4t7fzdk8_jmmp3800000gn/T/ipykernel_2715/1683522301.py in <module>
----> 1 plt.scatter(x1,y,color='C0')
      2 plt.xlabel('SAT',fontsize=20)
      3 plt.ylabel('Admitted',fontsize=20)
      4 plt.show()

~/opt/anaconda3/lib/python3.9/site-packages/matplotlib/pyplot.py in scatter(x, y, s, c, marker, cmap, norm, vmin, vmax, alpha, linewidths, edgecolors, plotnonfinite, data, **kwargs)
   2817         vmin=None, vmax=None, alpha=None, linewidths=None, *,
   2818         edgecolors=None, plotnonfinite=False, data=None, **kwargs):
-> 2819     __ret = gca().scatter(
   2820         x, y, s=s, c=c, marker=marker, cmap=cmap, norm=norm,
   2821         vmin=vmin, vmax=vmax, alpha=alpha, linewidths=linewidths,

~/opt/anaconda3/lib/python3.9/site-packages/matplotlib/__init__.py in inner(ax, data, *args, **kwargs)
   1410     def inner(ax, *args, data=None, **kwargs):
   1411         if data is None:
-> 1412             return func(ax, *map(sanitize_sequence, args), **kwargs)
   1413 
   1414         bound = new_sig.bind(ax, *args, **kwargs)

~/opt/anaconda3/lib/python3.9/site-packages/matplotlib/axes/_axes.py in scatter(self, x, y, s, c, marker, cmap, norm, vmin, vmax, alpha, linewidths, edgecolors, plotnonfinite, **kwargs)
   4360         y = np.ma.ravel(y)
   4361         if x.size != y.size:
-> 4362             raise ValueError("x and y must be the same size")
   4363 
   4364         if s is None:

ValueError: x and y must be the same size