Examples
import xpress as xp
p = xp.problem()
p.read("example.lp")
print("The problem has",
p.getAttrib('rows'), "rows and",
p.getAttrib('cols'), "columns")
# Obtain dictionary with two entries: the number of rows and
# columns of the problem read
print(p.getAttrib(['rows', 'cols']))
# produce a Python dictionary with all attributes of problem m, and
# hence of LP file example.lp
attributes = p.getAttrib()
