Data Interview Qs - Assigning grades

InterviewQs

Assigning grades

Data Analysis Python Pandas Data Manipulation Looping through Dataframe

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Hi,

You are given a dataframe (called df) of students, and you need to assign grades to each student. The table schema is as follows:

Column name	Data type	Example value	Description
student_name	string	Cindy Chu	Name of student
student_id	integer	1837204	Unique id for each student
class	string	Biology	Name of class
final_grade_pct	integer	80	final grade for class represented in percent

You need to assign the following letter grades based on final_grade_pct in a new column named "final_grade_letter":

>90 - A
81-90 - B
71-80 - C
<70 - D

Write a function using Python to loop through the table and assign the appropriate letter grades to each student, adding a new column to the existing dataframe, df.

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Key phrases

student class string Biology new Case studies appropriate letter grades Data Analysis Python

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