Dynamic arguments for functions using *args and **kwargs
## *args ########################################################
def test_var_args(farg, *args):
print("formal arg:", farg)
for arg in args:
print("another arg:", arg)
test_var_args(1, "two", 3)
# output:
#formal arg: 1
#another arg: two
#another arg: 3
def test_var_args_call(arg1, arg2, arg3):
print "arg1:", arg1
print "arg2:", arg2
print "arg3:", arg3
args = ("two", 3)
test_var_args_call(1, *args)
# output:
#arg1: 1
#arg2: two
#arg3: 3
## **kargs ########################################################
def test_var_kwargs(farg, **kwargs):
print("formal arg:", farg)
for key in kwargs:
print("another keyword arg: %s: %s" % (key, kwargs[key]))
test_var_kwargs(farg=1, myarg2="two", myarg3=3)
# output:
#formal arg: 1
#another keyword arg: myarg2: two
#another keyword arg: myarg3: 3
def test_var_args_call(arg1, arg2, arg3):
print "arg1:", arg1
print "arg2:", arg2
print "arg3:", arg3
kwargs = {"arg3": 3, "arg2": "two"}
test_var_args_call(1, **kwargs)
# output:
#arg1: 1
#arg2: two
#arg3: 3