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# 练习函数式编程的sorted函数

L = [1, 5, 6, 9, -8, 7, -4, -1, 3, -5]

print(L)

# 排序不改变原来函数，生成一个新的列表

L = sorted(L)

print(L)

# 指定排序方式

L = [1, 5, 6, 9, -8, 7, -4, -1, 3, -5]

L = sorted(L, key=abs)

print(L)

s = ['dfs','Fds','tda','Eds']

print(s)

print(sorted(s))

print(sorted(s, key=str.lower))

# 反向排序

print(sorted(s, key=str.lower, reverse=True))

# 作业：假设我们用一组tuple表示学生名字和成绩，L = [('Bob', 75), ('Adam', 92), ('Bart', 66), ('Lisa', 88)]，按名字进行排序

L = [('Bob', 75), ('Adam', 92), ('Bart', 66), ('Lisa', 88)]

print(sorted(L, key=lambda x: x[0]))

# 按成绩进行排序

print(sorted(L,key=lambda x: x[1]))