#python #sicp
Boolean contexts. Above, the execution procedures mention "a false value"
and "a true value." The expressions inside the header statements of conditional
blocks are said to be in boolean contexts: their truth values matter to
control flow, but otherwise their values are not assigned or returned.
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1.5 Controltrue value, execute the suite. Then, skip over all subsequent
clauses in the conditional statement.
If the else clause is reached (which only happens if all if and elif
expressions evaluate to false values), its suite is executed.
<span>Boolean contexts . Above, the execution procedures mention "a false value"
and "a true value." The expressions inside the header statements of conditional
blocks are said to be in boolean contexts: their truth values matter to
control flow, but otherwise their values are not assigned or returned. Python
includes several false values, including 0, None , and the boolean value
False . All other numbers are true values. In Chapter 2, we will see that
every built-in kind of data Summary
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