<p>我相信有更好的方法来做最后的陈述。只是想看看dayOfWeek是在<code>weekday</code>还是<code>weekend</code>中找到的</p>
<p>到目前为止我的代码是:</p>
<pre><code>dayOfWeek = input('What day is it?\n')
weekDay = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday']
weekend = ['Saturday', 'Sunday']
for i in range(5) and k in range(2):
if dayOfWeek != weekDay[i] and dayOfWeek != weekend[k]:
print("You didn't enter a Day of the week")
</code></pre>
<p>要检查项目是否在列表中,只需使用<code>in</code>运算符:</p>
<pre><code>if not(DayOfWeek in weekend or DayOfWeek in weekday):
print('You did not enter a day!')
</code></pre>