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[英]Summing values in multiple lines separated by comma from text file in Python
[英]Sum values in a text file from multiple lines (python)
我正在嘗試對文本文件中測驗分數的值求和。 我需要匯總每個人的所有測驗分數值,以找到測驗分數的全班平均分數。 到目前為止,我的程序將對每行的分數求和,但不會將每行的分數求和。 如何將每一行加在一起? 這是我的文本文件,每個人只有一行(共10人)
Aenci, Iaron; 0905229; Quizzes 90%, 90%, 70%; Individual projects 80%, 70%, 90%; Labs 80%, 80%, 90%; Midterm 90%; Group Projects 90%, 80%, 70%; Final 90% Yarton, Nabrina; 0908843; Quizzes 90%, 60%, 70%; Individual projects 90%, 70%; Labs 80%, 80%, 90%; Midterm 90%; Group Projects 90%, 80%, 70%; Final 90% Jayer, Rody; 0908845; Quizzes 90%, 70%, 80%; Individual projects 90%, 60%, 50%; Labs 30%, 70%, 80%; Midterm 90%; Group Projects 90%, 70%, 80%; Final 80%
def cc_quiz(file):
for line in open(file):
student_list = line.split()
count = len(student_list)
a = str(student_list)
start_position = a.find('Quizzes')
end_position = a.find('Individual')
class_quiz = a[start_position + 8: end_position - 3]
cq = class_quiz.replace('%', '')
cq1 = cq.replace(',', '')
cq2 = cq1.replace(';', '')
cq3 = cq2.replace("'", '')
c = cq3.split()
d = sum(float(x) for x in c)
print(d)
輸出:
250.0
0
220.0
0
240.0
0
120.0
0
250.0
0
220.0
0
240.0
0
250.0
0
220.0
0
240.0
我希望這增加250 + 220 + ... + 240
只需創建另一個變量,然后為每次迭代將變量d
的內容添加到該變量即可。 最后在last( 在for循環旁邊 )打印創建的臨時變量。
def cc_quiz(file):
su = 0
for line in open(file):
student_list = line.split()
count = len(student_list)
a = str(student_list)
start_position = a.find('Quizzes')
end_position = a.find('Individual')
class_quiz = a[start_position + 8: end_position - 3]
cq = class_quiz.replace('%', '')
cq1 = cq.replace(',', '')
cq2 = cq1.replace(';', '')
cq3 = cq2.replace("'", '')
c = cq3.split()
d = sum(float(x) for x in c)
su += d
print su
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