python - Printing labels in a loop -


i want loop , plot file information

-1 1 0.732313 -1 2 1.33585 -1 4 1.05306 -1 8 1.56261 -1 16 1.90336 -1 32 1.71105 -1 64 1.8319

which loaded mat0 have far:

mat0 = genfromtxt("mydata") fig1 = plt.figure() ax = fig1.add_subplot(111) mybel =-1 count =0 while (count < 60):     i=count     j= i+6                                           plt.plot(mat0[i:j,1], mat0[i:j,2],label="size %s"%mybel)     count = count + 7     mybel = mybel +1  plt.show()

the problem not labels printed @ all. not error either. missing?

you need call legend object. calling plt.legend().

mat0 = genfromtxt("mydata") fig1 = plt.figure() ax = fig1.add_subplot(111) mybel =-1 count =0 while (count < 60):     i=count     j= i+6                                           plt.plot(mat0[i:j,1], mat0[i:j,2],label="size %s"%mybel)     count = count + 7     mybel = mybel +1 plt.legend() plt.show()

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