string模塊的join方法，因此它需要兩個(gè)參數(shù)，一個(gè)是list，另一個(gè)是分隔符。而且調(diào)用時(shí)正如cnxo所示，如果你導(dǎo)入了 string模塊：

import string
你需要使用string.join()這樣來用。

但現(xiàn)在string對(duì)象本身就有這樣方法，這樣它只需要一個(gè)分隔符參數(shù)。用法為：

'+'.join(list1)

最簡(jiǎn)單的我們用到了join函數(shù)，實(shí)例

print ''.join(list('hello'))

把數(shù)據(jù)連接

word1 = "A"
word2 = "few"
word3 = "good"
word4 = "words"
wordList = ["A", "few", "more", "good", "words"]

print "Words:" + word1 + word2 + word3 + word4
print "List: " + ' '.join(wordList)

實(shí)例

word1 = "A"
word2 = "few"
word3 = "good"
word4 = "words"
wordList = ["A", "few", "more", "good", "words"]

#Joining a list of words
sentence = "Second:"
for word in wordList:
??? sentence += " " + word
sentence += "."
print sentence

綜合上面所述看個(gè)實(shí)例

# splitting strings
string1 = "A, B, C, D, E, F"

print "String is:", string1
print "Split string by spaces:", string1.split()
print "Split string by commas:", string1.split( "," )
print "Split string by commas, max 2:", string1.split( ",", 2 )
print

# joining strings
list1 =? [ "A", "B", "C", "D", "E", "F" ]
string2 = "___"

print "List is:", list1
print 'Joining with "%s": %s'?
?? % ( string2, string2.join ( list1 ) )
print 'Joining with "-.-":', "-.-".join( list1 )

?

轉(zhuǎn)自：http://www.111cn.net/phper/python/38836.htm

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