* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.

아래 코드대로 입력 하였으나 plt.title('할인 여부 결제 전환율 비교분석') 코드에서 계속 오류가 발생합니다.

import pandas as pd

import matplotlib.pyplot as plt

import numpy as np

plt.rc('font', family='NanumBarunGothic')

sparta_data=pd.read_table('/content/user_db1.csv', sep=',')

sparta_data.head()

sum_of_students_by_discounted = sparta_data[sparta_data['group']==1]['user_id'].count()

sum_of_students_by_not_discounted = sparta_data[sparta_data['group']==0]['user_id'].count()

sum_of_students_by_not_discounted

percent_of_students_by_not_discounted = sum_of_students_by_not_discounted/12000*100

percent_of_students_by_discounted = sum_of_students_by_discounted/12000*100

print(percent_of_students_by_not_discounted, percent_of_students_by_discounted)

plt.figure(figsize=(10,5))

x_list=["정가 구입 그룹", "할인 적용 그룹"]

y_list=[percent_of_students_by_not_discounted, percent_of_students_by_discounted]

plt.bar(x_list, y_list)

plt.title('할인 여부 결제 전환율 비교분석')

plt.xlabel('할인 적용 여부')

plt.ylabel('결제 전환율')

plt.show

오류 코드는

TypeError                                 Traceback (most recent call last)
<ipython-input-15-a8e058b6bc2c> in <cell line: 20>()
     18 y_list=[percent_of_students_by_not_discounted, percent_of_students_by_discounted]
     19 plt.bar(x_list, y_list)
---> 20 plt.title('할인 여부 결제 전환율 비교분석')
     21 plt.xlabel('할인 적용 여부')
     22 plt.ylabel('결제 전환율')

TypeError: 'str' object is not callable

입니다.