a = input("please input float numbers \n")
m = 0
n = 0
List1 = a.split(".")
b = List1[0]
d = List1[1]
d = d[::-1]
c = len(b)
e = len(d)
for j in b:
if j == 0:
m = m+1
continue
if j != 0:
length1 = c-m
for i in d:
if i == 0:
n = n + 1
continue
if i != 0:
length2 = e-n

length = length1 + length2

print("the vilid digital bits:", length)
有朋友知道这个程序哪里出错了吗？判断有效数字位数的