Python 中文双引号 “”

1. SyntaxError: invalid character in identifier

print('Albert Einstein once said, “A person who never made a mistake never tried anything new.”')
print('Albert Einstein once said, "A person who never made a mistake never tried anything new."')
print("Albert Einstein once said, 'A person who never made a mistake never tried anything new.'")
print("Albert Einstein once said, ‘A person who never made a mistake never tried anything new.’")
print(“Albert Einstein once said, 'A person who never made a mistake never tried anything new.'”)

  File "traceback.py", line 5print(“Albert Einstein once said, 'A person who never made a mistake never tried anything new.'”)^
SyntaxError: invalid character in identifier------------------
(program exited with code: 1)请按任意键继续. . .

2. Correction

print('Albert Einstein once said, “A person who never made a mistake never tried anything new.”')
print('Albert Einstein once said, "A person who never made a mistake never tried anything new."')
print("Albert Einstein once said, 'A person who never made a mistake never tried anything new.'")
print("Albert Einstein once said, ‘A person who never made a mistake never tried anything new.’")
print("Albert Einstein once said, 'A person who never made a mistake never tried anything new.'")

Albert Einstein once said, “A person who never made a mistake never tried anything new.”
Albert Einstein once said, "A person who never made a mistake never tried anything new."
Albert Einstein once said, 'A person who never made a mistake never tried anything new.'
Albert Einstein once said, ‘A person who never made a mistake never tried anything new.’
Albert Einstein once said, 'A person who never made a mistake never tried anything new.'------------------
(program exited with code: 0)请按任意键继续. . .

References

[1] Yongqiang Cheng, https://yongqiang.blog.csdn.net/