擅长:python、mysql、java
<p>正确的代码如下所示</p>
<p>你必须在几个地方集中精力</p>
<pre><code>import random
def primary():
print("Keep it logically awesome.")
f = open("quotes.txt")
quotes = f.readlines()
f.close()
last = len (quotes) - 1 #this shud be intented
rnd = random.randint(0, last) #this shud also be intented
print(quotes[rnd]) #this shud be intented
if __name__== "__main__":
primary() #if statements shud always be intented
</code></pre>
<p>编写单行if语句的另一种方法是</p>
<pre><code>if __name__== "__main__": primary()
</code></pre>
<p>有关缩进的更多信息,请参阅:
<a href="https://docs.python.org/3/reference/lexical_analysis.html#indentation" rel="nofollow noreferrer">https://docs.python.org/3/reference/lexical_analysis.html#indentation</a></p>
<p><a href="https://www.geeksforgeeks.org/indentation-in-python/amp/" rel="nofollow noreferrer">https://www.geeksforgeeks.org/indentation-in-python/amp/</a></p>
<p><a href="https://www.w3schools.com/python/gloss_python_indentation.asp" rel="nofollow noreferrer">https://www.w3schools.com/python/gloss_python_indentation.asp</a></p>