字典常见操作与遍历

1
dict = {'name':'jwq','sex':'man','number':'123456'}
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print(len(dict))

1
dict = {'name':'jwq','sex':'man','number':'123456'}
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print(dict.keys())
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#dict_keys(['name', 'sex', 'number'])
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print(dict.values())
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dict_values(['jwq', 'man', '123456'])

1
dict = {'name':'jwq','sex':'man','number':'123456'}
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print(dict.items())
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#dict_items([('name', 'jwq'), ('sex', 'man'), ('number', '123456')])

1
dict = {'name':'jwq','sex':"man",'number':'123456'}
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for i , chr in enumerate(dict.items()):
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    print(i,chr)