SyntaxError: Missing parentheses in call to ' print' Did you mean print ( "hello, world!").
Canceled the previous Python 2 syntax Python3, both some differences in syntax printout, so Python 3 before using the following syntax will be given the wrong information has prompted you need to add brackets, strings can be enclosed in single quotes or double quotes.
Print different versions of different calls
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Origin blog.51cto.com/sonice/2470722
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