擅长:python、mysql、java
<p>错误是:</p>
<pre><code>Traceback (most recent call last):
File "C:/Users/s4394487/Downloads/crap.py", line 96, in <module>
mainMenu()
File "C:/Users/s4394487/Downloads/crap.py", line 73, in mainMenu
browse()
File "C:/Users/s4394487/Downloads/crap.py", line 38, in browse
print(" Purchased 1 " + shopCatalog[shopChoice] + " .")
KeyError: 1
</code></pre>
<p>shopCatalog是一个字典,因此您可以使用键访问它的值。钥匙是“1.MCM背包”、“2.Gucci腰带”等,不是数字</p>
<p>如果要访问字典中的第一个、第二个等值,可以使用Python中的OrderedDictionary:<a href="https://docs.python.org/3/library/collections.html#collections.OrderedDict" rel="nofollow noreferrer">https://docs.python.org/3/library/collections.html#collections.OrderedDict</a></p>