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Update 6-read-and-write-csv-data.py #61

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Update 6-read-and-write-csv-data.py #61

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23 changes: 18 additions & 5 deletions ch12-file-input-and-output/6-read-and-write-csv-data.py
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Original file line number Diff line number Diff line change
Expand Up @@ -40,18 +40,31 @@

file_path = Path.home() / "favorite_colors.csv"

with file_path.open(mode="w", encoding="utf-8") as file:
writer = csv.DictWriter(file, fieldnames=["name", "favorite_color"])
def change_key(color, old_key, new_key):
value = color[old_key]
del color[old_key]
color[new_key] = value
return color

favorite_colors =[change_key(color, 'favorite_color', 'favorite color')
for color in favorite_colors]

with file_path.open('w', encoding = 'utf-8') as file:
writer = csv.DictWriter(file, favorite_colors[0].keys())
writer.writeheader()
writer.writerows(favorite_colors)


# Exercise 4
favorite_colors = []

with file_path.open(mode="r", encoding="utf-8") as file:
reader = csv.DictReader(file)
with file_path.open('r', encoding = 'utf-8') as file:
header = file.readline()
header = header.replace('\n', '')
header = header.split(',')

reader = csv.DictReader(file, fieldnames = header)
for row in reader:
row = change_key(row, 'favorite color', 'favorite_color')
favorite_colors.append(row)

print(favorite_colors)