我有以下数据框:
Name class
John 1
John 1
Mayank 2
Mayank 2
Harshil 3
Harshil 3
Harshil 3
在这种情况下,输出将类似于: 课
Name class
John 1
Mayank 2
Harshil 3
答案 0 :(得分:0)
选择所需的解决方案。
列表
data = [('John', 1), ('John',1), ('Mayank', 2), ('Mayank', 2), ('Harshil', 3), ('Harshil', 3), ('Harshil', 3)]
data = list(set(data))
print (data)
[('Mayank',2),('Harshil',3),('John',1)]
词典
data = [('John', 1), ('John',1), ('Mayank', 2), ('Mayank', 2), ('Harshil', 3), ('Harshil', 3), ('Harshil', 3)]
data = {d[0]:d[1] for d in data}
print(data)
{'约翰':1,'玛雅克':2,'哈什尔':3}
DataFrame
import pandas as pd
data = [('John', 1), ('John',1), ('Mayank', 2), ('Mayank', 2), ('Harshil', 3), ('Harshil', 3), ('Harshil', 3)]
df = pd.DataFrame(data, columns=['name','class']).set_index('name')
df = df.drop_duplicates()
print(df)
名称类别
约翰福音1
Mayank 2
哈什希尔3