![](/img/trans.png)
[英]Convert a dictionary to a table with column names using base Python without Pandas
[英]convert dictionary to csv in python without using pandas?
我有一個看起來像這樣的詞典列表:
{'match':['football','cricket','baseball'],'player':['2','11','8']}
我想將這本字典轉換成 csv 但不使用 pandas。
我的代碼:
import csv
my_dictionary = {'match':['football','cricket','baseball'],'player'['2','11','8']}
with open('data.csv', 'w') as f:
for key in my_dictionary.keys():
f.write("%s, %s\n" % (key, my_dictionary[key]))
output 我想看看:
match player
football 2
cricket 11
baseball 8
因此,如果您想使用您的技術,您可以首先將所有鍵寫入第一行,如 header,然后遍歷列表中的剩余行,如下所示:
import csv
my_dictionary = {'match':['football','cricket','baseball'],'player':['2','11','8']}
with open('data.csv', 'w') as f:
headers = ', '.join(my_dictionary.keys()) + '\n'
f.write(headers)
for row in zip(*my_dictionary.values()):
string_row = ', '.join(row) + '\n'
f.write(string_row)
Output:
match, player
football, 2
cricket, 11
baseball, 8
使用 zip 將這 2 個列表 ( 'match','player'
) 組合成一個元組列表。 用,
加入每個元組。 然后只需將其中的每一個寫入文件即可。
import csv
my_dictionary = {'match':['football','cricket','baseball'],'player':['2','11','8']}
zipList = list(zip(my_dictionary['match'],my_dictionary['player']))
zipList = [','.join(x) for x in zipList]
with open('data.csv', 'w') as f:
headers = ','.join(my_dictionary.keys()) + '\n'
f.write(headers)
for each in zipList:
f.write("%s\n" % (each))
為避免使用 Pandas,請使用內置的 CSV 庫:
import csv
my_dictionary = {'match':['football','cricket','baseball'],'player':['2','11','8']}
with open('output.csv', 'w', newline='') as f_output:
csv_output = csv.writer(f_output)
csv_output.writerow(my_dictionary.keys())
csv_output.writerows([*zip(*my_dictionary.values())])
這將產生output.csv
包含:
match,player
football,2
cricket,11
baseball,8
您的字典鍵為您提供 header,如果您使用標准的*zip(*xxx)
技巧來轉置條目,您可以將所有行寫在一個 go 中。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.