笨方法学python 习题18

# this one is like your scripts with argv
def print_two(*args):
    arg1, arg2 = args
    print ("arg1: %r, arg2: %r" % (arg1, arg2))

# ok, that *args is actually pointless, we can just do this
def print_two_again(arg1, arg2):
    print ("arg1: %r, arg2: %r" % (arg1, arg2))

# this just takes one argument
def print_one(arg1):
    print ("arg1: %r" % arg1)

# this one takes no arguments
def print_none():
    print("I got nothin'.")

#传参
print_two("Zed", "Shaw")
print_two_again("Zed", "Shaw")
print_one("First!")
print_none()

arg1: 'Zed', arg2: 'Shaw'
arg1: 'Zed', arg2: 'Shaw'
arg1: 'First!'
I got nothin'.