Input
 Usage
• Input[ ] interactively reads in one Mathematica expression.
• Input["prompt"] requests input, using the specified string as a prompt.
Notes
• Input returns the expression it read. • The operation of Input may vary from one computer system to another. When a Mathematica front end is used, Input may work through a dialog box. • When no front end is used, Input reads from standard input. • If the standard input is a file, then Input returns EndOfFile if you try to read past the end of the file. • On most systems, Input[ ] uses ? as a prompt. • When Input is evaluated, Mathematica stops until the input has been read. • New in Version 1.
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