Plotting multiple line graphs in matplotlib using plt.plot - python-3.x

Question

I'm using the following code.
%matplotlib notebook
plt.style.use('seaborn-bright')
fig,ax = plt.subplots(figsize=(8,6), facecolor='w', edgecolor='blue')
ax.spines['top'].set_visible(False)
ax.spines['bottom'].set_visible(False)
ax.spines['right'].set_visible(False)
ax.spines['left'].set_visible(False)
plt.title('Clubs of Severn Valley Petanque League - performance in years 2014-2019',color='purple',size=14.5,y=1.09)
ax.set_ylabel('Year', color='indigo',size=10)
ax.set_ylabel('Points won', color='darkblue', fontdict={'fontsize': 12, 'fontweight': 'medium'})
years=[2014,2015, 2016,2017,2018, 2019]
plt.xticks(np.arange(5), (years))
plt.margins(x=0.006,y=0.009)
ax.get_xaxis().tick_bottom()
ax.get_yaxis().tick_left()
ax.yaxis.set_major_formatter(plt.FuncFormatter('{:.0f}'.format))
ax.grid(True, 'major', 'y', ls='--', lw=.6, c='darkgray', alpha=.5)
ax.tick_params(axis='y', which='both', labelsize=10,bottom=False, top=False, labelbottom=True,
left=False, right=False, labelleft=True)
plt.legend(loc=2)
# Now I call each column( one for each team) one by one like so :
plt.plot(final.Points_Kinver.values, marker='o', label='Kinver Con Club')
plt.plot(final.Points_Nomads.values, marker='o', label='Nomads')
plt.plot(final.Points_TopPub.values, marker='o', label='Top Pub')
plt.plot(final.Points_Plough.values, marker='o', label='Plough')
plt.plot(final.Points_AlveleyRoyals.values, '-o', c='violet', label='Alveley Royals')
plt.plot(final.Points_Footloose.values, marker='o', c='yellow', label='Footloose')
plt.plot(final.Points_Gaters.values, '-o', c='orange', label="Gaters 'A'")
plt.plot(final.Points_AlveleyOaks.values, '-o',c='darkgreen', label='Alveley Oaks')
plt.show()
It works. Here is my chart .
However, I wish I could write plt.plot as one line, and this does not work.
plt.plot(final.columns.values, marker='o')
This causes an error.
TypeError Traceback (most recent call last)
<ipython-input-277-f48c020019fc> in <module>()
44 #mychart=final.plot( marker='o',ax=ax)
45
---> 46 plt.plot(final.columns.values, marker='o')
47
48 #plt.plot(final.Points_Kinver.values, marker='o', label='Kinver Con Club')
~\Anaconda3\lib\site-packages\matplotlib\pyplot.py in plot(*args, **kwargs)
3356 mplDeprecation)
3357 try:
-> 3358 ret = ax.plot(*args, **kwargs)
3359 finally:
3360 ax._hold = washold
~\Anaconda3\lib\site-packages\matplotlib\__init__.py in inner(ax, *args, **kwargs)
1853 "the Matplotlib list!)" % (label_namer, func.__name__),
1854 RuntimeWarning, stacklevel=2)
-> 1855 return func(ax, *args, **kwargs)
1856
1857 inner.__doc__ = _add_data_doc(inner.__doc__,
~\Anaconda3\lib\site-packages\matplotlib\axes\_axes.py in plot(self, *args, **kwargs)
1525 kwargs = cbook.normalize_kwargs(kwargs, _alias_map)
1526
-> 1527 for line in self._get_lines(*args, **kwargs):
1528 self.add_line(line)
1529 lines.append(line)
~\Anaconda3\lib\site-packages\matplotlib\axes\_base.py in _grab_next_args(self, *args, **kwargs)
404 this += args[0],
405 args = args[1:]
--> 406 for seg in self._plot_args(this, kwargs):
407 yield seg
408
~\Anaconda3\lib\site-packages\matplotlib\axes\_base.py in _plot_args(self, tup, kwargs)
381 x, y = index_of(tup[-1])
382
--> 383 x, y = self._xy_from_xy(x, y)
384
385 if self.command == 'plot':
~\Anaconda3\lib\site-packages\matplotlib\axes\_base.py in _xy_from_xy(self, x, y)
214 if self.axes.xaxis is not None and self.axes.yaxis is not None:
215 bx = self.axes.xaxis.update_units(x)
--> 216 by = self.axes.yaxis.update_units(y)
217
218 if self.command != 'plot':
~\Anaconda3\lib\site-packages\matplotlib\axis.py in update_units(self, data)
1467 neednew = self.converter != converter
1468 self.converter = converter
-> 1469 default = self.converter.default_units(data, self)
1470 if default is not None and self.units is None:
1471 self.set_units(default)
~\Anaconda3\lib\site-packages\matplotlib\category.py in default_units(data, axis)
113 # default_units->axis_info->convert
114 if axis.units is None:
--> 115 axis.set_units(UnitData(data))
116 else:
117 axis.units.update(data)
~\Anaconda3\lib\site-packages\matplotlib\category.py in __init__(self, data)
180 self._counter = itertools.count(start=0)
181 if data is not None:
--> 182 self.update(data)
183
184 def update(self, data):
~\Anaconda3\lib\site-packages\matplotlib\category.py in update(self, data)
199 for val in OrderedDict.fromkeys(data):
200 if not isinstance(val, VALID_TYPES):
--> 201 raise TypeError("{val!r} is not a string".format(val=val))
202 if val not in self._mapping:
203 self._mapping[val] = next(self._counter)
TypeError: ('Points_Kinver',) is not a string
I have also tried
ax=final.plot( marker='o')
for line, name in zip(ax.lines, final.columns):
y = line.get_ydata()[-1]
ax.annotate(name, xy=(1,y), xytext=(6,0), color=line.get_color(),
xycoords = ax.get_yaxis_transform(), textcoords="offset points",
size=8, va="center")
It works. However, it creates 2 figures.
Figure 1: the empty customized figure with all of my carefully coded formatting, more specifically, ticks and gridlines ( ax.grid...) and the chart title.
Figure 2: it contains the lines with labels, but all customized formatting and the title are lost.
Can you explain what is happening here?
My next step is labelling the end of each line instead of the legend.
so I thought I need my plt.plot code in a single line..
As you can see, I'm not very experienced in matplotlib/python. I am trying to practice by creating a visualisation for my local petanque association. thank you for your help with my little project.