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004_comission/tunmnlu/task_1/Q5-ref/wrangling_scripts/wrangling.py
louiscklaw 3688f9ee24 update,
2025-01-31 22:17:25 +08:00

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Python

"""
cse6242 s21
wrangling.py - utilities to supply data to the templates.
This file contains a pair of functions for retrieving and manipulating data
that will be supplied to the template for generating the table. """
import csv
def username():
return 'tlou31'
def data_wrangling():
with open('data/movies.csv', 'r', encoding='utf-8') as f:
reader = csv.reader(f)
table = list()
noOfRows = 100
# Feel free to add any additional variables
...
# Read in the header
for header in reader:
break
# Read in each row
for i, row in enumerate(reader):
if i <= noOfRows - 1:
table.append(row)
else: break
# Only read first 100 data rows - [2 points] Q5.a
...
# Order table by the last column - [3 points] Q5.b
...
table = sorted(table, key=lambda t : float(t[2]), reverse=True)
return header, table