<human>:  max size variable name.
<bot>: Here is a Python function to max size variable name

import re

def max_size_variable_name():
  """
  Returns the maximum length of a variable name.
  """
  return 100

# Enter the max size
max_size = 100

# Calling the function
variable_name = max_size_variable_name()

# Printing the variable name
print(variable_name)

#Example Output
# 100

#Remember to inspect code for bugs.