import matplotlib.pyplot as plt

names = []

marks = []

f = open(‘sample.txt’,’r’)

for row in f:

row = row.split(‘ ‘)

names.append(row[0])

marks.append(int(row[1]))

plt.bar(names, marks, color = ‘g’, label = ‘File Data’)

plt.xlabel(‘Student Names’, fontsize = 12)

plt.ylabel(‘Marks’, fontsize = 12)

plt.title(‘Students Marks’, fontsize = 20)

plt.le

gend()

plt.show()