2019-05-04:sorted排序練習

#encoding=utf-8
"""
求出s中長度最長的字符串
s ="i am a good boy iii"

"""
s ="i am a good boy iii"
def getLength(s):
    return len(s)
s_list=s.split()
sorted_s=sorted(s_list,key=getLength,reverse=True)
print(sorted_s[0])

"""
L中分別按照學生姓名和學生成績排序
"""
L = [('Bob', 75), ('Adam', 92), ('Bart', 66), ('Lisa', 88)]
def by_name(m):
    return m[0]
def by_score(m):
    return m[1]
sorted_L1=sorted(L,key=by_name)
sorted_L2=sorted(L,key=by_score)
print("按名字排序",sorted_L1)
print("按分數排序",sorted_L2)