I am trying to add the contents of the score file together and get an average but I can’t seem to get it to work.
My code:
# open and read file student / score student_file = open("Student.txt", "r") score_file = open("Score.txt", "r") student = student_file.read().split(' ') score = score_file.read().split(' ') addedScore = 0.0 average = 0.0 for i in range(0,len(student)): print("Student: "+student[i]+" Final: "+score[i]) addedScore = addedScore + score[i] average = addedScore / 2 print("The class average is:", average)
The score file is full of float numbers:
90.0 94.0 74.4 63.2 79.4 87.6 67.7 78.1 95.8 82.1
The error message
line 12, in <module> addedScore = addedScore + score[i] TypeError: unsupported operand type(s) for +: 'float' and 'str'
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Answer
Since score
was created by splitting a string, it’s elements are all strings; hence the complaint about trying to add a float to a string. If you want the value that that string represents, you need to compute that; something like float(score[i])
.