用print("hello world!")或print ('hello world!')
回车后就显示hello world!
如果你用 print "hello world!"
就会报你所说的错误
missing parentheses in call to print
缺少括号调用打印
用print("hello world!")或print ('hello world!')
回车后就显示hello world!
如果你用 print "hello world!"
就会报你所说的错误
missing parentheses in call to print
缺少括号调用打印