对于下面的代码,在运行start_point = start_point/10
之后,它的值降至1,000,并且如果随后调用它,它将保持原样。Python:重置变量
我可以知道如何将它重设为原来的10,000?我相信一种方法是设置一个全局变量。但有没有更简单的方法?像seek(0)
?
def secret_formula(started):
jelly_beans = started * 500
jars = jelly_beans/1000
crates = jars/100
return jelly_beans, crates, jars
start_point = 10000
item_1, item_2, item_3 = secret_formula(start_point)
print "With a starting point of: %d" % start_point
print "We'd have %d beans, %d jars, and %d crates." % (item_1, item_2, item_3)
start_point = start_point/10
print "We can also do that this way:"
print "We'd have %d beans, %d jars, and %d crates." % secret_formula(start_point)
为什么你甚至保存新的价值,如果你打算在之后重置它呢?为什么不只是'打印'我们会有%d豆,%d罐和%d箱。“ %secret_formula(start_point/10)'而不是? –
谢谢你指出。应该做到这一点! – ferry