if s == '':
print('this time finish')
return s
n = 0
num = []
while n < len(s):
if s[n] != ' ':
num.append(n)
n += 1
if len(num) == 0:
s = ""
i = len(num)
s = s[num[0]:(num[i-1]+1)]
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阿非利加丶
if s == '':
print('this time finish')
return s
n = 0
num = []
while n < len(s):
if s[n] != ' ':
num.append(n)
n += 1
if len(num) == 0:
s = ""
print('this time finish')
return s
i = len(num)
print('this time finish')
s = s[num[0]:(num[i-1]+1)]
return s