python高级函数作业
首字母大写
1 # -*- coding:utf-8 -*- 2 def normalize(name): 3 return name.capitalize() 4 5 L1 = ['adam','LISA','barT'] 6 L2 = list(map(normalize,L1)) 7 print(L2)
求积
1 #-*- coding:utf-8 -*- 2 from functools import reduce 3 def prod(L): 4 return reduce(lambda x,y:x*y,L) 5 6 print('3*5*7*9 = ',prod([3,5,7,9]))
字符串转浮点
1 #-*- coding:utf-8 -*- 2 from functools import reduce 3 4 def str2float(s): 5 L = s.split(".",1) 6 ret = 0.0 7 if len(L) == 1: 8 ret = reduce(lambda x,y:float(x)*10+float(y),L[0]) 9 elif len(L)==2: 10 ret = reduce(lambda x,y:float(x)*10+float(y),L[0]) 11 ret = ret + reduce(lambda x,y:float(x)*10+float(y),L[1])/10**len(L[1]) 12 return ret 13 14 print('str2float(\'123.456\')=',str2float('123.456'))
教程来源：
