擅长:python、mysql、java
<p>要打印时,需要将int变量显式类型转换为str:</p>
<pre><code>ageStr = "24" #I'm 24 years old.
age = int(ageStr)
print("I'm "+ ageStr +"years old.")
three = "3"
answerYears = age + int(three)
print("The total number of years:" + str(answerYears))
answerMonths = answerYears*12
print("In 3 years and 6 months, I'll be " + str(answerMonths) + " months old")
</code></pre>
<p>输出:</p>
<pre><code>I'm 24years old.
The total number of years:27
In 3 years and 6 months, I'll be 324 months old
</code></pre>