<human>:  Python code to put a string in a yaml file.
<bot>: Here is a Python code to put a string in a yaml file

import yaml

def put_in_yaml(file_name, string):
  """
  Put a string in a yaml file
  """
  with open(file_name, 'w') as f:
    f.write(string)

# Enter the string
string = "Hello"

# Enter the file name
file_name = "test.yaml"

# Calling the function
print((put_in_yaml(file_name, string)))

#Example Output
# None

#Remember to inspect code for bugs.