def foobar(x, y):
""" This is a functions which adds 42 to the
sum of the arguments x and y """
return x + y + 42
a = 3
print(a+3, 5)
Output
53
def foobar(x=1, y=0):
""" This is a functions which adds 42 to the
sum of the arguments x and y """
return x + y + 42
a = 3
print(foobar(a+3, 5))
print(foobar(a+3))
print(foobar())
Output
53
48
43