擅长:python、mysql、java
<p>您可以迭代字符串本身:</p>
<pre><code>import time
a = raw_input("Enter a string: ")
for char in a: #iterate over string one character at a time
print char
time.sleep(2) # sleep after printing each character
</code></pre>
<p>示例:</p>
<pre><code>>>> for x in "foobar":
... print x
...
f
o
o
b
a
r
</code></pre>