#第一题
def normalize(name):
	return str.title(name)


#第二题
def prod(L):
	def multiply(x,y):
		return x*y
	return reduce(multiply,L)

#第三题
def fn(x, y):
	return x * 10 + y

def char2num(s):
	digits = {'0': 0, '1': 1, '2': 2, '3': 3, '4': 4, '5': 5, '6': 6, '7': 7, '8': 8, '9': 9}
	return digits[s]

def str2float(s):
	L = s.split(sep='.')
	return reduce(fn, map(char2num, L[0]))+reduce(fn,map(char2num,L[1]))/(10**(len(s)-s.index('.')-1))