import seaborn as sns
import pandas as pd
import matplotlib.pylab as plt
from matplotlib.pyplot import show

df = pd.read_excel('1.xlsx', index_col=0)
sns.set(font="Verdana")

df_plot = sns.barplot(
    data = df,
    x = df['Features'],
    y = df['Pearson correlations'],
    color = "b",
    edgecolor = 'w'
    )

# rotate labels 45 degrees
locs, labels = plt.xticks()
plt.setp(labels, rotation=45)