python3的dict中的values由字符串变更为列表 如何将python字符串转换为包含字典的列表
python \u4e2d\u600e\u4e48\u628a,list\uff0c\u5b57\u5178dict\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u5b57\u5178\u7528values()\u51fd\u6570\u8f6c\u5316\u6210\u503c\u7684\u5217\u8868\uff0c\u7528items\u8f6c\u6362\u6210\uff08key\uff0cvalue\uff09\u7684\u5143\u7ec4\u5217\u8868\u3002
\u5217\u8868\u8f6c\u6362\u6210\u5b57\u5178\uff0c\u9700\u8981\u75282\u4e2a\u5217\u8868\u8f6c\u5316\u6210\u5b57\u5178\uff0c\u4e00\u4e2a\u662fkey\uff0c\u4e00\u4e2a\u662fvalue\u3002\u6bd4\u5982\uff1a
>>>dict(zip(['a','b','c'], range(5)))
{'a': 0, 'c': 2, 'b': 1}
>>> a=[1,2,3]
>>> ''.join( [ str(x) for x in a])
'123'
>>> b={1:11, 2:22, 3:33}
>>> ''.join( [ str(x) for x in b.values()])
'112233'
>>> ''.join( [ str(x) for x in b])
'123'
>>> ''.join( [ str(x) for x in b.items()])
'(1, 11)(2, 22)(3, 33)'
>>>
#-*-coding:utf-8-*-
#1\u3001\u5b57\u5178
dict = {'name': 'Zara', 'age': 7, 'class': 'First'}
#\u5b57\u5178\u8f6c\u4e3a\u5b57\u7b26\u4e32\uff0c\u8fd4\u56de\uff1a {'age': 7, 'name': 'Zara', 'class': 'First'}
print type(str(dict)), str(dict)
#\u5b57\u5178\u53ef\u4ee5\u8f6c\u4e3a\u5143\u7ec4\uff0c\u8fd4\u56de\uff1a('age', 'name', 'class')
print tuple(dict)
#\u5b57\u5178\u53ef\u4ee5\u8f6c\u4e3a\u5143\u7ec4\uff0c\u8fd4\u56de\uff1a(7, 'Zara', 'First')
print tuple(dict.values())
#\u5b57\u5178\u8f6c\u4e3a\u5217\u8868\uff0c\u8fd4\u56de\uff1a['age', 'name', 'class']
print list(dict)
#\u5b57\u5178\u8f6c\u4e3a\u5217\u8868
print dict.values
#2\u3001\u5143\u7ec4
tup=(1, 2, 3, 4, 5)
#\u5143\u7ec4\u8f6c\u4e3a\u5b57\u7b26\u4e32\uff0c\u8fd4\u56de\uff1a(1, 2, 3, 4, 5)
print tup.__str__()
#\u5143\u7ec4\u8f6c\u4e3a\u5217\u8868\uff0c\u8fd4\u56de\uff1a[1, 2, 3, 4, 5]
print list(tup)
#\u5143\u7ec4\u4e0d\u53ef\u4ee5\u8f6c\u4e3a\u5b57\u5178
#3\u3001\u5217\u8868
nums=[1, 3, 5, 7, 8, 13, 20];
#\u5217\u8868\u8f6c\u4e3a\u5b57\u7b26\u4e32\uff0c\u8fd4\u56de\uff1a[1, 3, 5, 7, 8, 13, 20]
print str(nums)
#\u5217\u8868\u8f6c\u4e3a\u5143\u7ec4\uff0c\u8fd4\u56de\uff1a(1, 3, 5, 7, 8, 13, 20)
print tuple(nums)
#\u5217\u8868\u4e0d\u53ef\u4ee5\u8f6c\u4e3a\u5b57\u5178
#4\u3001\u5b57\u7b26\u4e32
#\u5b57\u7b26\u4e32\u8f6c\u4e3a\u5143\u7ec4\uff0c\u8fd4\u56de\uff1a(1, 2, 3)
print tuple(eval("(1,2,3)"))
#\u5b57\u7b26\u4e32\u8f6c\u4e3a\u5217\u8868\uff0c\u8fd4\u56de\uff1a[1, 2, 3]
print list(eval("(1,2,3)"))
#\u5b57\u7b26\u4e32\u8f6c\u4e3a\u5b57\u5178\uff0c\u8fd4\u56de\uff1a
print type(eval("{'name':'ljq', 'age':24}"))
... '巴中': "[106.43, 31.51]",
... '霸州': "[116.24, 39.06]",
... '白城': "[122.50, 45.38]",
... '白山': "[126.26, 41.56]",
... '白银': "[104.12, 36.33]"
... }
>>> dict2={key:eval(values) for key,values in dict1.items()}
>>> dict2
{'巴中': [106.43, 31.51], '白山': [126.26, 41.56], '白银': [104.12, 36.33], '白城': [122.5, 45.38], '霸州': [116.24, 39.06]}
>>>
>>> dict1={
... '巴中': "[106.43, 31.51]",
... '霸州': "[116.24, 39.06]",
... '白城': "[122.50, 45.38]",
... '白山': "[126.26, 41.56]",
... '白银': "[104.12, 36.33]"
... }
>>> dict2={}
>>> for k,v in dict1.items(): dict2[k]=eval(v)
...
>>> dict2
{'巴中': [106.43, 31.51], '霸州': [116.24, 39.06], '白城': [122.5, 45.38], '白山': [126.26, 41.56], '白银': [104.12, 36.33]}
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