[英]Trying to understand condensed Python
我试图了解这段代码是如何以长格式布局的
proposed = dict((k, v) for k, v in args.iteritems() if v is not None)
我能想到的最好的是以下内容,但它不起作用:
for k,v in args.iteritems():
print "value of v is: %s" % v
if v is not None:
proposed = dict(k,v)
但是它会引发以下错误:
类型错误:dict 预计最多 1 个参数,得到 2 个
尝试:
proposed=dict()
for k,v in args.iteritems():
print "value of v is: %s" % v
if v is not None:
proposed[k] = v #This is the part you got wrong
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.