__author__ = '132294'
import os
import glob
folderName = 'instances_132294'
fileName = "/test_"
fileFormat = ".txt"
# define the name of the directory to be created
path = os.getcwd()
print('creating folder ' + folderName + ' in directory ' + path);
try:
    path += '/' + folderName;
    if not (os.path.isdir(folderName)):
        os.mkdir(path)
    else:
        for f in glob.glob(path + '/*'):
            os.remove(f)
except OSError:
    print ("Setup failed with error")
else:
    print ("Setup successfully completed")

for i in range(50, 501, 50):
    file = open(path + fileName + str(i) + fileFormat, "w")
    generateDataset(file, i)
    file.close()

def generateDataset(file, n):