擅长:python、mysql、java
<p>您可以尝试:</p>
<pre><code>Canada = {'name': 'Canada', 'continent': 'North America', 'capital': 'Ottawa', 'currency': 'Canadian dollar',
'population': '32,268,240', 'area': '9,970,610'}
Laos = {'name': 'Laos', 'continent': 'Asia', 'capital': 'Vientiane', 'currency': 'Lao kip',
'population': '5,924,145', 'area': '236,800'}
Mexico = {'name': 'Mexico', 'continent': 'North America', 'capital': 'Mexico City', 'currency': 'Mexico peso',
'population': '107,029,400', 'area': '1,958,201'}
countries = {'Canada' : Canada, 'Mexico' :Mexico, 'Laos' : Laos}
user_input = input("Type: ")
asked_country = list(set(user_input.split()).intersection(countries.keys()))[0]
output = list(set(countries[asked_country].keys()))[0]
print(countries[asked_country][output])
# Type: currency of Mexico
# Mexico peso
</code></pre>