code: import pandas as pd
  import os
  import matplotlib.pyplot as plt
  
  
  import numpy as np
  
  
  #location for files and plots
  
  PLOT_DIR = "../plots/"
  DATA_DIR = "../data"
  FILENAME_PLOT = 'SGD_alphas'
  PLOT_DIR = "./"
  
  
  #figure size and resolution
  fig = plt.figure()
  plt.style.use("seaborn")
  #colour, linewith, linestyle
  #boundaries
  #plt.xlim(min(x)*1.1, max(x)*1.1)
  plt.ylim(0.15, 0.95)
  #legend
  plt.legend(loc = 'best', prop = {'size':14}, frameon = False)
  plt.rc('font', size=10)
  plt.rc('axes', titlesize=12)
  plt.xlabel("Iterations")
  plt.ylabel(r"$\alpha$")
  plt.title(r"SGD: Start $\alpha$")
  
  
  
  
  start_alphas = ["0.2","0.3", "0.4", "0.5", "0.6", "0.7", "0.8", "0.9"]
  
  for start_alpha in start_alphas:
      dim = 3
  
      DATA_DIR = f"../data/sgd_noninteracting/start-alpha/start-alpha_{start_alpha}.csv"
  
      df = pd.read_csv(DATA_DIR)
  
      energy = df["Energy"]
      
      alpha = df["Alpha"]
      x = np.linspace(0, len(alpha), len(alpha))
      plt.plot(x, alpha, label  = start_alpha, linewidth = 2)
  
  plt.legend()
  plt.draw()
  plt.show()
  #plt.save_fig(PLOT_DIR + "SGD_start-alpha.png")
  
  
  
apis: matplotlib.pyplot.style.use matplotlib.pyplot.legend matplotlib.pyplot.draw matplotlib.pyplot.rc pandas.read_csv matplotlib.pyplot.figure matplotlib.pyplot.title matplotlib.pyplot.show matplotlib.pyplot.ylabel matplotlib.pyplot.ylim matplotlib.pyplot.plot matplotlib.pyplot.xlabel