这是一些测试:
输入:"zero nine five two"
输出:"four"
输入:"four six two three"
输出:"three"
这是我的代码,可以运行到最后一步,在该步骤中我需要按值逆向查找键,而我不知道该怎么做。有什么建议吗?
def average_string(s):
num_dic = {'zero': 0, 'one': 1, 'two': 2, 'three': 3, 'four': 4, 'five': 5,
'six': 6, 'seven': 7, 'eight': 8, 'nine': 9}
str_split = s.split()
int_values = []
for key, val in num_dic.items():
if key in str_split:
int_values.append(val)
int_avg = int(sum(int_values) / len(int_values))
return int_avg
最佳答案
您可以尝试以下方法:
num_dic = {'zero': 0, 'one': 1, 'two': 2, 'three': 3, 'four': 4, 'five': 5, 'six': 6, 'seven': 7, 'eight': 8, 'nine': 9}
s = "zero nine five two"
new_dict = {b:a for a, b in num_dic.items()}
average = sum(num_dic[i] for i in s.split())/float(len(s.split()))
final_average = new_dict[average]
输出:
four
关于python - 以字符串格式返回的平均字符串数,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/45361727/