擅长:python、mysql、java
<p>因为你做错了。每次通过循环时,您都要重置<code>cleanedNumber</code>的值,这时您应该附加到它:</p>
<pre><code>number = "9,223,372,036,854,775,807"
cleanedNumber = ''
for i in range(0, len(number)):
if number[i] in '0123456789':
cleanedNumber += number[i]
newNumber = int(cleanedNumber)
print("The number is {} ".format(newNumber))
</code></pre>