如何通过重复行拆分熊猫数据框？

Question

我有这样的 df：

1   a   12
2   a   3
3   b   45
4   b   34
5   b   23

我需要像这样将其拆分为两个 df：

1   a   12
2   a   3

和

3   b   45
4   b   34
5   b   23

有人知道任何合理的快捷方式吗？

Answer 1

试试

# > USD
# > EUR
# > 20

# Checking the cache...
# Oh! It is in the cache!
# You received 16.58 EUR.

# > NOK
# > 55

# Checking the cache...
# Sorry, but it is not in the cache!
# You received 457.68 NOK.

# > NOK
# > 66

# Checking the cache...
# Oh! It is in the cache!
# You received 549.22 NOK.