即:"大学","学校"和"学院"属于同一群,"论文","奖学金","钱"等词也属于同一群.这是ML还是NLP问题?
['00', '11"', 'aa', 'bb', "cc'"]
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这是在Python中.我想剥掉双引号,以便我的输出成为
['00', '11', 'aa', 'bb', 'cc']
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我该怎么做呢?
list1= [1,2,3,4]
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1)我想将此列表中的每个元素相乘以输出24.如何在不使用for循环的情况下在python中执行此操作?是否有内置库来执行此操作?
2)如果list1包含诸如的字符串
list1= ["1,2,3,4"]
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3)如果list1包含诸如的字符串
list1 = ['1234']
Run Code Online (Sandbox Code Playgroud) import pandas as pd
df = pd.read_csv("email_addresses_of_ALL_purchasers.csv")
all_emails = df["Email"]
real_emails = []
test_domains = ['yahoo.com', 'gmail.com', 'facebook.com', 'hotmail.com']
for email in all_emails:
email_separated = email.split("@")
if email_separated[1] not in test_domains:
real_emails.append(email)
print real_emails
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我正在尝试过滤掉不同的电子邮件帐户类型.为什么以上代码会产生错误:
IndexError:列表索引超出范围