7. sending the letter

#1

Traceback (most recent call last):
File "python/cli_runner.py", line 152, in

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I just wonder if it's a regular error?

``````lloyd = {
"name": "Lloyd",
"homework": [90.0, 97.0, 75.0, 92.0],
"quizzes": [88.0, 40.0, 94.0],
"tests": [75.0, 90.0]
}
alice = {
"name": "Alice",
"homework": [100.0, 92.0, 98.0, 100.0],
"quizzes": [82.0, 83.0, 91.0],
"tests": [89.0, 97.0]
}
tyler = {
"name": "Tyler",
"homework": [0.0, 87.0, 75.0, 22.0],
"quizzes": [0.0, 75.0, 78.0],
"tests": [100.0, 100.0]
}

def average(numbers):
total= float(sum(numbers))

def get_average(student):
homework=average(student["homework"])
quizzes=average(student["quizzes"])
tests=average(student["tests"])
return(0.1*homework+0.3*quizzes+0.6*tests)

if score>=90:
return "A"
elif score>=80:
return "B"
elif score>=70:
return "C"
elif score>=60:
return "D"
else:
return "F"

#2

It means that one of the character you used is not valid.

A clear example:

``result += texÅ§[index]``

see the `Å§`? It is what throws the error, not sure what its in your case. It could be that one of your colons is not an actual colon

I don't get an error, so i can't pin it down.

#3

Thanks a lot. I rewrite them and it works. Looks like it's just some random mysterious errors.

#4

a character which doesn't have a valid ascii value, good it works now

#5