按成绩分班

string = input()
#将输入字符串转换为字典作为函数关键字参数传入
l = string.split(‘,‘)
d = {}
d[‘语文‘] = int(l[0])
d[‘数学‘] = int(l[1])
d[‘英语‘] = int(l[2])
for i in l[3:]:
    d[i.split(‘=‘)[0]]=int(i.split(‘=‘)[1])

#定义函数实现分班
def main(**kwargs):
    sum = 0
    count = 0
    for k,v in kwargs.items():
        sum += v
        count += 1
    avg = sum / count
    if "物理" in kwargs:
        if avg > 90 and kwargs.get("数学") >= 80:
            print("平均分是:{:.2f},分配班级是:{}".format(avg,"理科A班"))
        elif avg <= 90 and avg >= 80 or (avg > 90 and kwargs.get("数学") < 80) or (avg > 90 and kwargs.get("物理") >= 70):
            print("平均分是:{:.2f},分配班级是:{}".format(avg,"理科B班"))
        else:
            print("平均分是:{:.2f},分配班级是:{}".format(avg,"理科C班"))
    else:
        if avg > 90 and kwargs.get("语文") >= 80:
            print("平均分是:{:.2f},分配班级是:{}".format(avg,"文科A班"))
        elif avg <= 90 and avg >= 80 or (avg > 90 and kwargs.get("语文") < 80) or (avg > 90 and kwargs.get("政治") >= 70):
            print("平均分是:{:.2f},分配班级是:{}".format(avg,"文科B班"))
        else:
            print("平均分是:{:.2f},分配班级是:{}".format(avg,"文科C班"))

#调用函数运行
if __name__ == ‘__main__‘:
    main(**d)