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from mpl_toolkits.axes_grid1 import host_subplot
import mpl_toolkits.axisartist as AA
import matplotlib.pyplot as plt
import matplotlib
import datetime
def make_graph(data):
fig = plt.figure()
lambdaCount = [i[1] for i in data]
helpGiven = [i[2] for i in data]
uniqueUsers = [i[3] for i in data]
date = [datetime.datetime.strptime(i[4], "%Y-%m-%d") for i in data]
fig, ax1 = plt.subplots()
ax1.plot(date, lambdaCount, label = "Total λ in circulation", color = "r")
ax1.set_ylabel("Total λ / help given")
ax1.plot(date, helpGiven, label = "Times help given", color = "g")
ax2 = ax1.twinx()
ax2.plot(date, uniqueUsers, label = "Unique users")
ax2.set_ylabel("No. Unique Users")
ax1.legend()
ax2.legend(loc = 4)
fig.autofmt_xdate()
filepath = "graph.png"
fig.savefig(filepath)
return filepath
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