python operation table add rows

This time I will bring you pythonOperationTableAdd rows, python operation table to add rowsNotesWhat are the practical cases, one Get up and take a look.

The example is as follows:

from pandas import *
from random import *
df = DataFrame(columns=('lib', 'qty1', 'qty2'))#生成空的pandas表
for i in range(5):#插入一行<span id="transmark" style="display:none;"></span>
  df.loc[i] = [randint(-1,1) for n in range(3)]
print df

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