m = 0
n = 1
while s[m:n] == ' ':
m = m+1
n = m+1
s = s[m:]
s = s[::-1]
return s
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正晓恰好出生在早晨
m = 0
n = 1
while s[m:n] == ' ':
m = m+1
n = m+1
s = s[m:]
s = s[::-1]
m = 0
n = 1
while s[m:n] == ' ':
m = m+1
n = m+1
s = s[m:]
s = s[::-1]
return s