pandas repeat rows n times

1test.loc[test.index.repeat(test.times)]
2
3  id  times
40  a      2
50  a      2
61  b      3
71  b      3
81  b      3
92  c      1
103  d      5
113  d      5
123  d      5
133  d      5
143  d      5

1df.reindex(df.index.repeat(df.persons))
2Out[951]: 
3   code  .     role ..1  persons
40   123  .  Janitor   .        3
50   123  .  Janitor   .        3
60   123  .  Janitor   .        3
71   123  .  Analyst   .        2
81   123  .  Analyst   .        2
92   321  .   Vallet   .        2
102   321  .   Vallet   .        2
113   321  .  Auditor   .        5
123   321  .  Auditor   .        5
133   321  .  Auditor   .        5
143   321  .  Auditor   .        5
153   321  .  Auditor   .        5
16