<human>:  calculate the average word length in a sentence.
<bot>: Here is a Python function to calculate the average word length in a sentence

import string

def calculate_average_word_length(sentence):
  """
  Calculate the average word length in a sentence.
  """
  return len(sentence.split())

# Enter the sentence
sentence = "The quick brown fox jumps over the lazy dog"

# Calling the function
print((calculate_average_word_length(sentence)))

#Example Output
# 9

#Remember to inspect code for bugs.