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# 026
aList = ['1','2','3','4']
aListCopy = aList # Æäʵ£¬ÕâÀï½ö½ö¸´ÖÆÁËÒ»¸öÒýÓÃ
del aList[0]
print aList
print aListCopy # Á½¸öÒýÓÃÖ¸ÏòÁËÁËͬһ¸ö¶ÔÏó£¬ËùÒÔ´òÓ¡½á¹ûÒ»Ñù
aListCopy = aList[:] # ÕâÊǸ´ÖÆÕû¸ö¶ÔÏóµÄÓÐЧ·½·¨
del aList[0]
print aList
print aListCopy

output£º
['2', '3', '4']
['2', '3', '4']
['3', '4']
['2', '3', '4']


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temp = x
x = y
y = ......

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decodeµÄ×÷ÓÃÊǽ«ÆäËû±àÂëµÄ×Ö·û´®×ª»»³Éunicode±àÂ룬Èçstr1.decode('gb2312')£¬±íʾ½«gb2312±àÂëµÄ×Ö·û´®×ª»»³ ......

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# 022
listNum1 = [1, 3]
listNum2 = [2, 4]
listStr1 = ['a', 'c']
listStr2 = ['b', 'd']
# ÁбíµÄºÏ²¢
list1 = listNum1 + listStr1
for ele in list1:
print ele
print '\n'
# ÅжÏÁбíÖÐÊÇ·ñ°üº¬Ä³ÔªËØ
print 'b' in list1
print 1 in list1
# ɾ³ýij¸öÔªËØ
for ele in ......
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