在下面的代码中，我遇到了两件事。对于第 40 行（examPoints）和第 47 行（hwkPoints）的函数中的数学运算正在通过第 94 行的列表中的一系列值。它应该把分数加起来，但由于某种原因它不是在通过的每个范围上添加最后一个数字。
例如：对于 myValues[11:13]，它传递了数字 75、95 和 97，但它只添加了前 2，而不是最后一个。
我的代码在这里：
from time import asctime
from time import localtime
def findGrade(myGrade): #argument number in range of 1 - 100 or float myNum?
if myGrade >= 90:
letterGrade = "A"
if myGrade >= 80:
letterGrade = "B"
if myGrade >= 70:
letterGrade = "C"
if myGrade >= 60:
letterGrade = "D"
if myGrade < 60:
letterGrade = "F"
return letterGrade
def calculatePointsEarned(hwkGrades, examGrades):
hwkTotal = float(hwkPoints(hwkGrades))
#print hwkTotal
examTotal = float(examPoints(examGrades))
#print examTotal
myAverage = (hwkTotal + examTotal) / possiblePoints
myAverage = myAverage * 100.0
#myAverage = int(myAverage)
return myAverage
def totalPoints(hwkGrades, examGrades):
hwkTotal = int(hwkPoints(hwkGrades))
examTotal = int(examPoints(examGrades))
allPoints = str((hwkTotal + examTotal))
return allPoints
#Create newtimeline using day of week, space, month, space, day, space, year, space time from asctime function
def timeMessage():
localtime()
newTimeline = asctime()
return newTimeline
def examPoints(examValues):
myGrades = 0
for grade in examValues:
myGrades = int(grade) + myGrades
#print str(myGrades) + " exam\n"
return myGrades
def hwkPoints(hwkValues):
myGrades = 0
for grade in hwkValues:
myGrades = int(grade) + myGrades
#print str(myGrades) + " hwk"
return myGrades
def requestMessage (myValues, myTime):
nameLine = myValues[1] + ", " + myValues[2] + "\t" + myValues[0] + "\t" + myValues[3]
examScore = "Exam " + "- " + myValues[11] + ", " + myValues[12] + ", " + myValues[13]
hwkScore = "Homework " + "- " + myValues[4] + ", " + myValues[5] + ", " + myValues[6] + ", " + myValues[7] + ", " + myValues[8] + ", " + myValues[9] + ", " + myValues[10]
pointsEarned = "Total points earned " + "- " + totalPoints(myValues[4:10], myValues[11:13])
myGrade = "Grade: " + str(theAverage) + " that is a " + findGrade(theAverage)
message = nameLine + "\n" + examScore + "\n" + hwkScore + "\n" + pointsEarned + "\n" + myGrade + "\n" + myTime
return message
def fileOutput(studentID, lastName, firstName, dateTime):
myLine = studentID + " " + lastName + ", " + firstName + " " + dateTime + "\n"
return myLine
#Create input stream from grades.dat and assign to infile
inFile = open('grades.dat', "r")
#Create output stream to results.dat and assign to outfile
outFile = open('results.dat', 'w+')
myTime = timeMessage()
theAverage = 0
theLettergrade = ""
theMessage = ""
possiblePoints = 550
theRequest = ""
studentID = raw_input("Please input student ID: ")
myLine = "notemptystring"
while myLine != "": #may be wrong Is myline not equal to the empty string?
myLine = inFile.readline() #may be wrong Read line from infile and assign to myline
myLine = myLine.strip('\r\n')
myValues = myLine.split(",") #Separate values in myline and assign to myvalues
if studentID == myValues[0]:
#print myValues
#Call calculatePointsEarned function with a list of homework values and a list of exam values and assign to theaverage
theAverage = calculatePointsEarned(myValues[4:10], myValues[11:13])
#print theAverage
theLettergrade = findGrade(theAverage) #Call findGrade function with theaverage and assign to thelettergrade)
#print theLettergrade
#Call fileOutput function with studentid, lastname, firstname, and datetime to get message for writing to output file, and assign to therequest
theRequest = fileOutput(myValues[0], myValues[1], myValues[2], timeMessage())
#print theRequest
theMessage = requestMessage(myValues, timeMessage()) #Call requestMessage with myline and mytime for message to display, and assign to themessage
#Write theRequest to outfile
outFile.write(theRequest)
print theMessage
else: #is studentid not equal to first element in myValues
"Do Nothing"
#close infile and outfile
inFile.close()
outFile.close()
编辑：对不起，我在让代码在此处正确显示时遇到问题的链接。