jeapedu 30 字符串切片习题答案编码

# separate string by blank space
s = "hello the cruel world"
h = 0 # start point
v = 0 # end point
i = 0
while i < len(s):
if s[i] == " ":
v = i                 # find blank and mark pos to v
print(v)
print("%02d" %h, "%02d" %v, s[h:v])
h = v + 1             # make next h to v + 1
i += 1