will this work?

[stinkyattic]

if ur plant has purple lines going down the stem or if the leaves keep on coming up wit seven fingers it is probably female i was wondering if it was ture

Purple lines on the stem could be a sign of nutrient problems.
The natural progression of leaf fingers is: cotyledons, 1,3,5,7, sometimes 9, sometimes 11. Depends on strain and health.

Both are myths when it comes to sexing.