day 14作业

作业

现有文件info.txt, 其内容如下:

alpha male 18 1000

bravo male 28 2000

charlie female 38 3000

delta female 48 4000

1. 从文件中取出每一条记录放入列表中，列表的每个元素都是{'name':'alpha','gender':'male','age':18,'salary':1000}的形式
2. 根据1得到的列表，取出薪资最高的人的信息
3. 根据1得到的列表，取出最年轻的人的信息
4. 根据1得到的列表，将每个人的信息中的名字映射成首字母大写的形式
5. 根据1得到的列表，过滤掉名字以a开头的人的信息

# 1
with open('info.txt', 'rt', encoding='utf-8') as f:
    items = [line.split() for line in f]

    info_list = [{'name': name, 'gender': gender, 'age': age, 'salary': salary} /
    for name, gender, age, salary in items]

print(info_list)

# 2
max_salary_info = max(info_list, key=lambda dic: dic['salary'])
print(max_salary_info)

# 3
min_age_info = min(info_list, key=lambda dic: dic['age'])
print(min_age_info)

# 4
new_info_list = map(lambda dic: {'name': dic['name'].capitalize(),
                                 'gender': dic['gender'],
                                 'age': dic['age'],
                                 'salary': dic['salary']}, info_list)
print(list(new_info_list))

# 5
res = filter(lambda dic: dic['name'][0] != 'a', info_list)
print(list(res))

斐波那契数列

num1 = 0
num2 = 1
num = 0

def fibo(end):
    '''斐波那契数列'''
    global num1, num2, num
    print(num)
    num1 = num2
    num2 = num
    num = num1 + num2
    if num > end:
        return
    func(end)

func(20)