Python : Reserved words, identifiers, usable characters, invalid characters

python

Languages that can be used with identifiers

abcdefghijklmnopqrstuvwxyz
ABCDEFGHIJKLMNOPQRSTUVWXYZ
0123456789
_

a-z A-Z 0-9 _(underbar)

Numbers cannot be used as the first letter of a string

NG

0banana 8apple 012

Reserved words

False  None  True  and  as  assert  async  await  break  class  continue  def  del  elif  else  except  finally  for  from  global  if  import  in  is  lambda  nonlocal  not  or  pass  raise  return  try  while  with  yield

The above languages are pre-reserved in python and cannot be used

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