python字符串和变量相加时出现,coercing to unicode need string or buffer nonetype found python 错误的解决
2014-01-23 14:17
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这是由于类型不对,而导致的
1 我是用 “a”+b这个时候产生的错误,
2 这是由于 ,在 python中 +号是针对两个类型相同的变量,而在上的语句中,python不知道 b这个变量的类型二导致的错误(这一点和java很不一样),用下面的语句可以解决
3 ‘a’+str(b)
1 我是用 “a”+b这个时候产生的错误,
2 这是由于 ,在 python中 +号是针对两个类型相同的变量,而在上的语句中,python不知道 b这个变量的类型二导致的错误(这一点和java很不一样),用下面的语句可以解决
3 ‘a’+str(b)
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