Amir questions

• finding groups that meet a condition in pandas groupby
• What is the most efficient way to fillna multiple columns with values from other columns in a way that they can be paired with a suffix?
• How can I find the first row after a number of duplicated rows?
• find the maximum value for each streak of numbers in another column in pandas
• play a sound when the exception error occurs in python
• How can I get the left edge as the label of pandas.cut?
• How to get the index of the first row that meets the conditions of a mask?
• What is the best way to merge two dataframes that one of them has overlapping ranges?
• How to select first N number of groups based on values of a column conditionally?
• How can I merge two dataframes based on last date of each group?

Amir answers