擅长:python、mysql、java
<p>假设<code>movies</code>是一个普通的Python列表,并且您希望以<strong>美元获得平均成本:</p>
<pre><code>movies = [
("Titanic", 20000000),
("Dracula", 9000000),
("James Bond", 4500000),
("Pirates of the Caribbean: On Stranger Tides", 379000000),
("Avengers: Age of Ultron", 365000000),
("Avengers: Endgame", 356000000),
("Incredibles 2", 200000000)
]
totalCost = 0
totalMovies = 0
for movie, price in movies:
totalCost += price
totalMovies +=1
print (f"The average cost per movie is {totalCost/totalMovies:.2f}$")
</code></pre>
<p>行<code>{totalCost/totalMovies:.2f}</code>在选择两个十进制值(<code>.2f</code>)的同时,使用Python <code>F strings</code>在线插入计算</p>
<p>希望一切都清楚</p>