Python to extract data from a file

Question

I am trying to extract the text between that has specific text file:

----
data1
data1
data1
extractme
----
data2
data2
data2
----
data3
data3
extractme
---         


        

Answer 1

data=open("file").read().split("----")
print '----'.join([ i for i in data if "extractme" in i ])