<human>:  Python function to change input to upper case.
<bot>: Here is a Python function to change input to upper case

import re

def to_upper(text):
  """
  Changes input to upper case
  """
  return text.upper()

# Enter the string
text ="blue bicycle"

# Calling the function
print((to_upper(text)))

#Example Output
# BLUE BICYCLE

#Remember to inspect code for bugs.