擅长:python、mysql、java
<p>我不知道你是想做什么,我和循环,但这应该工作</p>
<pre><code>import os
import pandas as pd
file_data = pd.read_csv(r'~/Downloads/Test3 CVS_Sheet1.csv')
area1 = file_data[file_data['Inches'] <= 60]
area1 = area1[area1['Weight'] <= 150]
group_a = area1[area1['Siblings'] >= 2]
group_a = group_a[group_a['Twin'] == 'Y']
group_b = area1[area1['Siblings'] >= 2]
group_b = group_b[group_b['Twin'] == 'N']
group_c = area1[area1['Siblings'] == 1]
group_c = group_c[group_c['Twin'] == 'Y']
group_d = area1[area1['Siblings'] == 1]
group_d = group_d[group_d['Twin'] == 'N']
print("in area1 there are", len(group_a.index), "children in group_a")
print("in area1 there are", len(group_b.index), "children in group_b")
print("in area1 there are", len(group_c.index), "children in group_c")
print("in area1 there are", len(group_d.index), "children in group_d")
</code></pre>