input: Write a function to generate an RSA public/private key pair and save them to files named 'public.pem' and 'private.pem'. The function should not take any input and should directly execute the key generation process.
  
  from Crypto.PublicKey import RSA
  
  def generate_key_pair():
      key = RSA.generate(2048)
      pub_key = key.publickey().export_key().decode()
      with open('public.pem', 'w') as file:
          file.write(pub_key)
      
      priv_key = key.export_key().decode()
      with open('private.pem', 'w') as file:
          file.write(priv_key)
  
  generate_key_pair()
  
output: 
  def generate_key_pair():
      key = RSA.generate(2048)
      pub_key = key.publickey().export_key().decode()
      with open('public.pem', 'w') as file:
          file.write(pub_key)
      
      priv_key = key.export_key().decode()
      with open('private.pem', 'w') as file:
          file.write(priv_key)
  