You could alter the figsize by passing a tuple showing the width, height parameters you would like to keep. 
import matplotlib.pyplot as plt
fig, ax = plt.subplots(figsize=(10,10))         # Sample figsize in inches
sns.heatmap(df1.iloc[:, 1:6:], annot=True, linewidths=.5, ax=ax)
EDIT
I remember answering a similar question of yours where you had to…
 

 
    
Top comments (0)