What does MonthBegin(), from Pandas, do? [closed]

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I'm trying to understand a code from my teacher and he uses MonthBegin(1) from Pandas to calculate the distance from months on a data frame.

I already tried to read the documentation but its description is too simple and there are no examples:(

The code that I'm trying to understand is:

month_distance = int(((df['ResearchDate'][index + 1] + MonthBegin(1)) - (df['ResearchDate'][index] + MonthBegin(1))).days / 31)

Answer 1

Consider the following code:

import pandas as pd
from pandas.tseries.offsets import MonthBegin

data = pd.date_range(start='1/1/2021', periods=10, freq="8d")

df = pd.DataFrame(data)

df["mb1"] = df[0] + MonthBegin(1)
print(df)

Basically it is being used so your teacher can get the difference in number of months by rounding dates to the next month's beginning.