I have a data frame with df name :

>>> df.head()

I want a bar plot of my data frame based on number of sold product in each day of week, like this :

I'm use this code :

fig1 ,ax1 = plt.subplots(figsize=(15, 6))
df["dayName"] = pd.to_datetime(df["InvoiceDate"]).dt.day_name()
df.groupby("dayName").size().plot(ax=ax1, kind="bar", color="lime");

and i get this plot :

I'm have 2 problem :
1- name of days is not short (Monday : Mon)
2- weekdays are not ordered
Any body can help me to solve this problems ?
Thanks

CodePudding user response：

One solution can be, Use of