擅长:python、mysql、java
<p>试试这个:</p>
<pre><code>def main():
value = int(input('Enter a number '))
#This is more pythonic; use the int() function instead of (int)
doub(add1(value))
def add1(value):
x = value + 1
return x
def doub (x):
return x*2
main()
</code></pre>