学到了
原问题：
回答：
1 def justify_text(text): 2 # split text into lines and find longest 3 lines = [line.strip() for line in text.split(" ")] 4 ll = len(max(lines, key=len)) 5 6 # iterate lines 7 for i, l in enumerate(lines): 8 # remember last elongates space 9 pos_space = 0 10 # do for all lines but the last one 11 while len(l) < ll and (i != len(lines)-1): 12 # print(l) # uncomment to see stages of refining 13 pos_space = l.find(" ", pos_space) 14 if pos_space == -1: 15 # start over from beginning 16 pos_space = l.find(" ", 0) 17 if pos_space == -1: 18 # no space inside the line, can't do anything about it 19 # we break to avoid endless loop 20 break 21 # splice in a space and increase next search position 22 l = l[:pos_space] + " " + l[pos_space:] 23 pos_space += 2 24 # store changed line 25 lines[i] = l 26 27 return ' '.join(lines) 28 29 t = """Lorem ipsum dolor sit amet, consectetur adipiscing more text 30 elit, sed do eiusmod tempor incididunt ut labore 31 et dolore magna aliqua. Ut enim ad minim veniam, 32 quis nostrud exercitation ullamco laboris nisi ut 33 aliquip ex ea commodo consequat. Duis aute irure 34 dolor in reprehenderit.""" 35 36 print(justify_text(t))
结果：
Lorem ipsum dolor sit amet, consectetur adipiscing more text elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit.