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我对字典 这里我的代码一些问题存在一些问题:有关Python 2.x的
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 (number):
total = 0.0
for i in number:
total = total + number[i]
return total/ len(number)
def get_average(student):
return average(student["homework"])*0.1 + average(student["quizzes"])*0.3 + average(student["tests"])*0.6
print get_average(tyler)
错误:TypeError: list indices must be integers, not float
谁能帮助?
已经张贴下面的答案。您可能需要阅读如何在SO问题中对代码进行格式设置,以使其更易于阅读(尽管我现在看到Haedrian已经为您做了这件事......)另外,您的标题没有提供有关问题的说明。 – knolleary