Vaishali questions

Vaishali answers

• Delete 2 last rows of each day in a dataframe
• Iterate different Regular Expression Patterns over df Column
• Map values from a dataframe
• Pandas group by column find percentage of count in each group
• Convert date string YYYY-MM-DD to YYYYMM in pandas
• Extract last term after comma into new column
• Pandas Average If in Python : Combining groupby mean with conditional statement
• How to write a nested query with in python pandas?
• Removing stopwords from a pandas dataframe
• Check if group contains same value in Pandas