python - How to plot age distribution with pandas

Question

I have Data Frame, which contains 2 columns: age and gender.

sex,age
1,30
2,29
1,34
1,27
2,28
2,28
1,40
1,30
1,27
2,31
1,37
1,31
2,28
2,30
2,27
2,27
2,29
2,32
1,28
1,27
1,28
1,28
1,29
1,33
1,32
1,30

How can I plot age distribution for each gender?

Answer 1

groupby然后plot与kind='kde'

df1.groupby('sex').age.plot(kind='kde')

每@EdChum

df1.groupby('sex').age.hist()