def number_as_english_string(number):
if not hasattr(number_as_english_string, "single_digits"):
number_as_english_string.single_digits = {\
0:'',\
1:'One',\
2:'Two',\
3:'Three',\
4:'Four',\
5:'Five',\
6:'Six',\
7:'Seven',\
8:'Eight',\
9:'Nine'}
if not hasattr(number_as_english_string, "double_digits"):
number_as_english_string.double_digits = {\
10:'Ten',\
11:'Eleven',\
12:'Twelve',\
13:'Thirteen',\
14:'Fourteen',\
15:'Fifteen',\
16:'Sixteen',\
17:'Seventeen',\
18:'Eighteen',\
19:'Nineteen',\
20:'Twenty',\
30:'Thirty',\
40:'Forty',\
50:'Fifty',\
60:'Sixty',\
70:'Seventy',\
80:'Eighty',\
90:'Ninety'}
for i in range(20,100,10):
for j in range(1,10):
number_as_english_string.double_digits[i + j] = \
"%s-%s" % (number_as_english_string.double_digits[i], number_as_english_string.single_digits[j])
if not hasattr(number_as_english_string, "triple_digits"):
number_as_english_string.triple_digits = {}
for i in range(1,10):
number_as_english_string.triple_digits[i*100] = "%s Hundred" % (number_as_english_string.single_digits[i])
for i in range(100,1000,100):
for j in range(1,100):
number_as_english_string.triple_digits[i+j] = "%s and %s" % (number_as_english_string.triple_digits[i], number_as_english_string(j))
try:
if number == 0: return 'Zero'
elif number == 1000: return 'One Thousand'
elif number > 1000 or number < 0:
print "Tried to access a string which is outside the pre-defined range"
return ''
else:
digits = count_digits(number)
if digits == 1: return number_as_english_string.single_digits[number]
elif digits == 2: return number_as_english_string.double_digits[number]
elif digits == 3: return number_as_english_string.triple_digits[number]
except KeyError:
print "Tried to access string which has not been defined"
return ''
def sum_digit_powers(num):
sum = 0
for i in range(0,count_digits(num)):
sum += power_dict[get_digit(num,i)]
return sum
