```{code-cell} python3

fig, ax = plt.subplots()

ax.plot(x, y, 'r-', linewidth=2, label='$y=\sin(x)$', alpha=0.6)

ax.plot(x, y, 'r-', linewidth=2, label=r'$y=\sin(x)$', alpha=0.6)

ax.legend(loc='upper center')

plt.show()

```

```{code-cell} python3

fig, ax = plt.subplots()

ax.plot(x, y, 'r-', linewidth=2, label='$y=\sin(x)$', alpha=0.6)

ax.plot(x, y, 'r-', linewidth=2, label=r'$y=\sin(x)$', alpha=0.6)

ax.legend(loc='upper center')

ax.set_yticks([-1, 0, 1])

ax.set_title('Test plot')

for i in range(3):

m, s = uniform(-1, 1), uniform(1, 2)

y = norm.pdf(x, loc=m, scale=s)

current_label = f'$\mu = {m:.2}$'

current_label = rf'$\mu = {m:.2}$'

ax.plot(x, y, linewidth=2, alpha=0.6, label=current_label)

ax.legend()

plt.show()

m, s = uniform(-1, 1), uniform(1, 2)

x = norm.rvs(loc=m, scale=s, size=100)

axes[i, j].hist(x, alpha=0.6, bins=20)

t = f'$\mu = {m:.2}, \quad \sigma = {s:.2}$'

t = rf'$\mu = {m:.2}, \quad \sigma = {s:.2}$'

axes[i, j].set(title=t, xticks=[-4, 0, 4], yticks=[])

plt.show()

```

for i in range(3):

m, s = uniform(-1, 1), uniform(1, 2)

y = norm.pdf(x, loc=m, scale=s)

current_label = f'$\mu = {m:.2}$'

current_label = rf'$\mu = {m:.2}$'

ax.plot(x, y, linewidth=2, alpha=0.6, label=current_label)

ax.legend()

plt.show()

The output should look like this

```{figure} /_static/lecture_specific/matplotlib/matplotlib_ex1.png

```{image} /_static/lecture_specific/matplotlib/matplotlib_ex1.png

:scale: 130

:align: center

```

```{exercise-end}