import numpy
arr=numpy.arange(100)
for i in range(100):
	arr[i]=numpy.random.randint(low=0, high=4,size=1)


numpy.savetxt('TXT\\prueba.txt', arr, fmt='%i')

f=open("TXT\\prueba.txt","r")
valor=f.readline()
valor = valor.strip()
for i in range(100):
        if valor=="0":
                print(valor)
        else:
                print("  ")
        valor=f.readline()
        valor = valor.strip()