Python Reference Manual

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6.4 The pass statement

pass_stmt:      "pass"

pass is a null operation -- when it is executed, nothing happens. It is useful as a placeholder when a statement is required syntactically, but no code needs to be executed, for example:

def f(arg): pass    # a function that does nothing (yet)

class C: pass       # a class with no methods (yet)

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Python Reference Manual

Previous: 6.3 Assignment statements Up: 6. Simple statements Next: 6.5 The del statement