<human>:  create valiable name by concatinate strings in.
<bot>: Here is a Python code to create a variable name by concatenating strings

import datetime

def create_name(name, var_name):
  """
  Create a variable name by concatinate strings in.
  """
  return name + "_" + var_name

# Enter the name
name ="yellow submarine"

# Enter the variable name
var_name ="blue bicycle"

# Calling the function
print((create_name(name, var_name)))

#Example Output
# yellow submarine_blue bicycle

#Remember to inspect code for bugs.