import pandas as pd
import matplotlib
from pylab import title, figure, xlabel, ylabel, xticks, bar, legend, axis, savefig
from fpdf import FPDF
df = pd.DataFrame()
df['Question'] = ["Q1", "Q2", "Q3", "Q4"]
df['Charles'] = [3, 4, 5, 3]
df['Mike'] = [3, 3, 4, 4]
title("Professor Criss's Ratings by Users")
xlabel('Question Number')
ylabel('Score')
c = [2.0, 4.0,