how to duplicate a row in python

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showing results for - "how to duplicate a row in python"
Anthony
22 Aug 2020
1import pandas as pd
2
3In [603]: df = pd.DataFrame({'col1':list("abc"),'col2':range(3)},index = range(3))
4
5In [604]: df
6Out[604]: 
7  col1  col2
80    a     0
91    b     1
102    c     2
11
12In [605]: pd.concat([df]*3, ignore_index=True) # Ignores the index
13Out[605]: 
14  col1  col2
150    a     0
161    b     1
172    c     2
183    a     0
194    b     1
205    c     2
216    a     0
227    b     1
238    c     2
24
25In [606]: pd.concat([df]*3)
26Out[606]: 
27  col1  col2
280    a     0
291    b     1
302    c     2
310    a     0
321    b     1
332    c     2
340    a     0
351    b     1
362    c     2
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