擅长:python、mysql、java
<p>对于字符串,它应该是这样工作的。你知道吗</p>
<pre><code> string = "Johny johny yes_papa eating sugar No papa open_mouth_ha ha ha"
def find_underscore(string):
a = []
for i in string.split():
for j in i:
if j == '_':
a.append(i)
return a
</code></pre>
<p>对于数据帧列:</p>
<pre><code> new_list = []
for index, row in df.iterrows():
print(find_underscore(row["column_name"]))
new_list.append(find_underscore(row["column_name"]))
df.new_column = new_list
</code></pre>