擅长:python、mysql、java
<p>嗯,<code>ingredients[ingredient]</code>表示字典<code>ingredients</code>中键<code>ingredient</code>的值。您希望该值是一个列表,因此可以执行以下操作:</p>
<pre><code>ingredients = {}
program_run = True
while program_run:
ingredient = input("Give me an ingredient: ")
measurement = input("Unit of measurement? ")
howMuch = input("How much? ")
# cast measurement to float and create a list from user inputs
details = [float(measurement), howMuch]
# add the list to the dict
ingredients[ingredient] = details
</code></pre>