6.1 Expression statements
Expression statements are used (mostly interactively) to compute and
write a value, or (usually) to call a procedure (a function that
returns no meaningful result; in Python, procedures return the value
None ). Other uses of expression statements are allowed and
occasionally useful. The syntax for an expression statement is:
-
An expression statement evaluates the expression list (which may be a
single expression).
In interactive mode, if the value is not None , it is converted
to a string using the built-in repr()function and the resulting string is written to standard output (see
section 6.6) on a line by itself. (Expression statements
yielding None are not written, so that procedure calls do not
cause any output.)
Release 2.5.2, documentation updated on 21st February, 2008.
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