簡體   English   中英

從 python 中的字典中刪除特定項目?

[英]Removing specific items from a dictionary in python?

我在列表中有一本字典,我想刪除其中的方括號和單引號。

Current Output:   
[{'label': "['Tennessee'] 22960 Packages", 'value': 'TN'},  
{'label': "['Illinois'] 6277 Packages", 'value': 'IL'},  
{'label': "['California'] 4 Packages", 'value': 'CA'},]

Desired Output:  
[{'label': "Tennessee 22960 Packages", 'value': 'TN'},  
{'label': "Illinois 6277 Packages", 'value': 'IL'},  
{'label': "California 4 Packages", 'value': 'CA'},]

用 for 循環試試這個:

m[0]['label'] = m[0]['label'].replace("['", "").replace("']", "")

結果:

[{'label': 'Tennessee 22960 Packages', 'value': 'TN'}, 
 {'label': "['Illinois'] 6277 Packages", 'value': 'IL'},
 {'label': "['California'] 4 Packages", 'value': 'CA'}]

使用 for 循環:

m = [{'label': "['Tennessee'] 22960 Packages", 'value': 'TN'},  
{'label': "['Illinois'] 6277 Packages", 'value': 'IL'},  
{'label': "['California'] 4 Packages", 'value': 'CA'},]

for i in range(0, 3):
  m[i]['label'] = m[i]['label'].replace("['", "").replace("']", "")
print(m)

嘗試這個:

def remover(x):
    x['label'] = x['label'].replace("['", "").replace("']", "")
    return x
mylist = [{'label': "['Tennessee'] 22960 Packages", 'value': 'TN'},  
{'label': "['Illinois'] 6277 Packages", 'value': 'IL'},  
{'label': "['California'] 4 Packages", 'value': 'CA'},]
mylist = list(map(remover,mylist))
print (mylist)

暫無
暫無

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.

 
粵ICP備18138465號  © 2020-2024 STACKOOM.COM