Не запускается скрипт: Invalid character in identifier

>>> exec(open('script1.py').read())
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<string>", line 1
    п\xbbїimport sys #Р\u2014Р°Р\u0456С\u0402С\u0453Р\xb6Р°Р\xb5С\u201a Р\xb1РёР
\xb1Р\xbbРёР\u0455С\u201aР\xb5С\u2021Р\u0405С\u2039Р№ Р\u0458Р\u0455Р\u0491С\u04
53Р\xbbС\u040a
            ^
SyntaxError: invalid character in identifier
>>>

import sys #Загружает библиотечный модуль
#import time
print(sys.api_version)
print(2**100)
x='Spam!'
print(x*8)
#time.sleep(10)
input()

# -*- coding: utf-8 -*-

<module 'script1' from 'c:\\Python34\\script1.py'>
>>> reload(script1)
1013
1024
Spam!Spam!Spam!Spam!Spam!Spam!Spam!Spam!
 
<module 'script1' from 'c:\\Python34\\script1.py'>
>>> exec(open('script1.py').read())
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<string>", line 1
    п\xbbї# -*- coding: utf-8 -*-
      ^
SyntaxError: invalid character in identifier
>>>

>>> exec(open(script1.py).read())
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name 'script1' is not defined
>>>

c:\Python34>cd c:\
 
c:\>py -3
Python 3.4.3 (v3.4.3:9b73f1c3e601, Feb 24 2015, 22:43:06) [MSC v.1600 32 bit (In
tel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> exec(open('script.py').read())
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
FileNotFoundError: [Errno 2] No such file or directory: 'script.py'
>>>

exec(open("C:\script.py").read())

import os
 
os.chdir('C:\\')
exec(open("script.py").read())

>>> import script1
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\Safys\Desktop\script1.py", line 3, in <module>
    print(sys.api_version)
NameError: name 'sys' is not defined
>>> import os
>>> os.chdir('C:\\')
>>> exec(open('script1.py').read())
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
FileNotFoundError: [Errno 2] No such file or directory: 'script1.py'
>>> import os
>>> os.chdir('C:\\Users\\Safys\\Desktop')
>>> exec(open('script1.py').read())
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<string>", line 1
    п\xbbї#import sys
      ^
SyntaxError: invalid character in identifier
>>> exec(open('script1.py').read())
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<string>", line 1
    п\xbbї#import sys
      ^
SyntaxError: invalid character in identifier

NameError: name 'sys' is not defined

 File "<string>", line 1
    п\xbbї#import sys
      ^
SyntaxError: invalid character in identifier

#import sys 
#import time
print(sys.api_version)
print(2*10)
x='Spam!'
print(x*8)
input()