Multiples constraints and segments with this example about platypus HOT 1 CLOSED

#!/usr/bin/python
import sys
print sys.path
from platypus import Problem, Real, NSGAII

class Test(Problem):

    def __init__(self):
        super(Test, self).__init__(4, 1, 5)
        self.types[:] = [Real(0, 25890), Real(0, 25890), Real(0, 25890),Real(0,1000)]
        self.constraints[0:3] = ">=0"
        self.constraints[3:] = "==0"

    
    def evaluate(self, solution):
        x = solution.variables[0]
        y = solution.variables[1]
        z = solution.variables[2]
        t = solution.variables[3]
        solution.objectives[:] = [x*2+y*6+z*12+t*3]
        solution.constraints[0:4] = [25980-x,25980-y,25980-z,(x+y+z+t)-10000]
        solution.constraints[4:] = [1000-t]
        
algorithm = NSGAII(Test())
algorithm.run(30000)

for s in algorithm.result:
	print s.variables,s