#!/usr/bin/env python
# coding: utf-8

# ### Answering https://stackoverflow.com/questions/73144911/subplotting-using-for-loops
# 
# The MRE has numerous errors before you even get to the 'no luck' block. I was able to fix some but maybe lost the idea of the desired layout?

# In[1]:


import numpy as np
import pandas as pd
from scipy import stats
import matplotlib.pyplot as plt
label=['hc','svppa','nfvppa','lvppa']

test_df_data ={"id":list(range(1,21,1)), "label": list(np.repeat(label, 5)), "col1":list(np.random.normal(100,10,size=20)), "col2":list(np.random.normal(100,10,size=20)), "col3":list(np.random.normal(100,10,size=20)), 
                        "col4":list(np.random.normal(100,10,size=20)), "col5":list(np.random.normal(100,10,size=20)), "col6":list(np.random.normal(100,10,size=20)), "col7":list(np.random.normal(100,10,size=20))}
df = pd.DataFrame(test_df_data)


# In[2]:


df


# In[3]:


# What OP had, I think

labels = set(df.label.to_list())
columns = df.columns[2:].to_list()
for col in columns:
    for label in labels:
        stats.probplot(df[df['label']==label][col], dist='norm', plot=plt)
        plt.title("Probability plot " + col + " - " + label)
        plt.show()


# ### Solution
# 
# Based on https://docs.scipy.org/doc/scipy/reference/generated/scipy.stats.probplot.html
# and method 2 at https://engineeringfordatascience.com/posts/matplotlib_subplots/

# In[5]:


# based on https://docs.scipy.org/doc/scipy/reference/generated/scipy.stats.probplot.html
# and method 2 at https://engineeringfordatascience.com/posts/matplotlib_subplots/
plt.figure(figsize=(45, 12))
plt.subplots_adjust(hspace=0.5)

for n, label in enumerate(labels):
    for m,col in enumerate(columns):
        ax = plt.subplot(len(labels), len(columns), ((len(columns)-1)*n)+(m+(n+1)))
        b = stats.probplot(df[df['label']==label][col], dist='norm', plot=ax)
        plt.title("Probability plot " + col + " - " + label)
        plt.subplots_adjust(top=1.15) # based on https://www.statology.org/matplotlib-subplot-spacing/ to fix title of subplot overlapping with x-axes label
plt.savefig('test_save.png', bbox_inches="tight") # based on https://stackoverflow.com/a/47956856/8508004


# **Double click on the file `test_save.png` in the file navigator pane to view the plots in their full glory if you are using JupyterLab.**