[英]Dictionary with multiple items in Python
我试图在Python中设置和访问具有多个键的字典。
#province, [shipping cost, valid postal codes]
provinceShipping = {"AB":[12,"A"],"BC":[12,"B"],"MB":[12,"M","L","K"]}
x = (input("province ")).upper()
y = (input("first letter of postal code ")).upper()
if x in provinceShipping:
access the cost and valid postal codes
基本上我想做的是使用字典来包含省份,运费和有效的邮政编码。 扣除费用后,我如何访问邮政编码? 在以上示例中,某些省份还具有多个有效的邮政编码,例如“ MB”。 有一个更好的方法吗?
为了获取所有物品的邮政编码,请执行以下操作:
for province, (shipping_cost, *postal_code) in provinceShipping.items():
print('Province: ' ,province, 'Shipping Cost', shipping_cost, ' Postal Code: ', postal_code)
# prints:
Province: MB Shipping Cost 12 Postal Code: ['M', 'L', 'K']
Province: BC Shipping Cost 12 Postal Code: ['B']
Province: AB Shipping Cost 12 Postal Code: ['A']
对于一个特定的省,您可以执行以下操作:
>>> provinceShipping['MB'][1:] # For 'MB' province
['M', 'L', 'K']
如果在所有情况下,字典中每个键的值列表中的第一个元素将是cost,而其余部分始终是邮政编码,那么您可以使用此代码:
if x in provinceShipping:
print "cost: " , provinceShipping[x][0]
print "post codes: " , provinceShipping[x][1:]
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