औसत आवृत्ति का प्लॉट बनाना

# Average of python column by day
mean_python = ____[____].____(____).____()

# Average of rstats column by day
mean_rstats = ____[____].____(____).____()

# Plot mean python by day(green)/mean rstats by day(blue)
plt.plot(____, ____, color = 'green')
plt.plot(____, ____, ____)

# Add labels and show
plt.xlabel('Day'); plt.ylabel('Frequency')
plt.title('Language mentions over time')
plt.legend(('#python', '#rstats'))
plt.show()