how to get variable name into string...

test_var_name.py

def retrieve_name(var):
  callers_local_vars = inspect.currentframe().f_back.f_locals.items()
  return [var_name for var_name, var_val in callers_local_vars if var_val is var][0]

def retrieve_names(var):
  callers_local_vars = inspect.currentframe().f_back.f_locals.items()
  return [var_name for var_name, var_val in callers_local_vars if var_val is var]

aaa="kkk"
bbb="kkk"
ccc="kkk"

retrieve_name(aaa)
# 'aaa'

retrieve_names(bbb)
# ['aaa', 'bbb', 'ccc']

[var for var, val in locals().items() if val is ccc]
# ['aaa', 'bbb', 'ccc']