<human>:  how to use capitalize to make every word in a string upper case.
<bot>: Here is a Python program to use capitalize to make every word in a string upper case

import string

def capitalize(s):
  """
  Capitalize every word in a string
  Returns a string
  """
  return s.capitalize()

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

# Calling the function
print((capitalize(s)))

#Example Output
# This is a string

#Remember to inspect code for bugs.