import pandas as pd
df = pd.DataFrame({'x':range(10)})
df.plot(drawstyle = 'steps') # this works
#df.plot(kind = 'area', drawstyle = 'steps') # this does not work

# For error bands around a series df
ax.fill_between(df.index, df - offset, df + offset, step='pre', **kwargs)

# For filling the whole area below a function
ax.fill_between(df.index, df, 0, step='pre', **kwargs)

out = df.plot(kind = 'line', drawstyle = 'steps') # stepped, not filled
stepline = out.get_lines()[0]
print(stepline.get_data())

df = pd.DataFrame({'x':range(10)})
x = df.x.values
xx = np.array([x,x])
xx.flatten('F')
doubled = xx.flatten('F') # NOTE! if x, y weren't the same, need a yy
plt.fill_between(doubled[:-1], doubled[1:], label='area')
ax = plt.gca()
df.plot(drawstyle = 'steps', color='red', ax=ax)

import pandas as pd
df = pd.DataFrame({'x':range(10)})
df.plot(kind="bar",stacked=True,width = 1)