[英]Create two columns from two different sized columns
我試圖從兩個列表中創建兩個列。
我嘗試使用zip來構建DataFrame並插入列表,但是較大的列表被切除了。
import pandas as pd
list1 = ['new book revealing', 'library for topic modelling']
list2 = ['potentially embarrassing', 'several international', 'daily newspaper']
df = pd.DataFrame(list(zip(list1, list2)), columns =['list1', 'list2'])
我的輸出:
list1 list2
0 new book revealing potentially embarrassing
1 library for topic modelling several international
好的輸出:
list1 list2
0 new book revealing potentially embarrassing
1 library for topic modelling several international
2 daily newspaper
一種方法是使用zip_longest
:
import itertools
pd.DataFrame(itertools.zip_longest(list1, list2), columns =['list1', 'list2'])
list1 list2
0 new book revealing potentially embarrassing
1 library for topic modelling several international
2 None daily newspaper
您可以使用pd.DataFrame.from_records
並轉置:
df = pd.DataFrame.from_records([list1, list2]).T.fillna('')
# df.columns = ['list1', 'list2']
0 1
0 new book revealing potentially embarrassing
1 library for topic modelling several international
2 daily newspaper
您可以構建水平df,然后轉置。
pd.DataFrame([list1, list2], index=['list1', 'list2']).T.fillna('')
list1 list2
0 new book revealing potentially embarrassing
1 library for topic modelling several international
2 daily newspaper
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