Python - Finding Correlation Between Many Variables (Multidimensional Dataset) with Python

import numpy as np
import pandas as pd
import matplotlib
matplotlib.use('TkAgg')
import matplotlib.pyplot as plt

data = pd.read_csv('/Users/Downloads/test.csv', index_col=0)
corr = data.corr()
fig = plt.figure()

ax = fig.add_subplot(111)
cax = ax.matshow(corr, cmap='coolwarm', vmin=-1, vmax=1)
fig.colorbar(cax)
ticks = np.arange(0, len(data.columns), 1)
ax.set_xticks(ticks)
plt.xticks(rotation=90)
ax.set_yticks(ticks)
ax.set_xticklabels(data.columns)
ax.set_yticklabels(data.columns)

plt.show()