<human>:  Can you show me a Python function to lowercase variable name.
<bot>: Here is a Python function to lowercase variable name

import collections

def lower_case(text):
  """Convert to camel case.

  :param str text:
  :rtype: str
  :return:
  """
  return text.lower()

# Enter the string
string = "This is a string"

# Calling the function
print((lower_case(string)))

#Example Output
# this is a string

#Remember to inspect code for bugs.