NameError: name'spam'isnotdefined>>>'2'+ 2#int 不能与 str 相加,触发异常Traceback (most recent call last): File"<stdin>", line 1,in<module>TypeError: can only concatenate str (not"int") to str 异常以不同的类型出现,这些类型都作为信息的一部分打印出来: 例子中的类型有 ZeroDivisionError,...
And it's very goodage =36txt ="My name is Bill, I am "+ ageprint(txt)#类型不同报错#TypeError: can only concatenate str (not "int") to str 使用format() 方法组合字符串和数字: format() 方法接受传递的参数,格式化它们,并将它们放在占位符 {} 所在的字符串中: age =63txt ="My name is...
File "<stdin>", line 1, in <module> TypeError: can only concatenate str (not "int") to str >>> 'Hello' * 2 'HelloHello' >>> 'Hello' * 2.2 Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: can't multiply sequence by non-int of type 'flo...
File"<stdin>", line 1,in? NameError: name'spam'isnotdefined>>>'2'+ 2#int 不能与 str 相加,触发异常Traceback (most recent call last): File"<stdin>", line 1,in<module>TypeError: can only concatenate str (not"int") to str 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 异...
5、字符串与非字符串之间连接错误,导致错误:’TypeError: can only concatenate str (not "int") to str‘ name = '小芳'; age = 18; print('我叫'+name+'今年我'+age+'岁啦') 正确的写法是使用st()转移后再进行拼接: name = '小芳'; age = 18; print('我叫'+name+'今年我'+str(age)+'...
>>> 'hello.'+'world!''hello.world!'>>> [1,2,3] + 'world!'Traceback (most recent call last): File "", line 1, in[1,2,3] + 'world!'TypeError: can only concatenate list (not "str") to list 正如错误提示,列表和字符串是无法连接接在一起的,尽管它他们都是序列。简单来说,两种...
#print('北京欢迎你'+2022) #TypeErrorn: .can only concatenate. st...(not..."int" )..to ..str.print('北京欢迎你'+'2022 ') print('北京欢迎你'+'2022') 1.9Python中的基本输入函数input 【代码01】input 输出整数类型的数据 name=input('请输入您的姓名:') ...
TypeError: can only concatenate list (not "str") to list 乘法 用数字x乘以一个序列会产生新的序列,而在新的序列中,原来的序列将被重复x次。 >>>'python' * 5 'pythonpythonpythonpythonpython' >>>[42] * 10 [42, 42, 42, 42, 42, 42, 42, 42, 42, 42] ...
北京欢迎你'+2022) #TypeErrorn: .can only concatenate. st...(not..."int" )..to ..str...
TypeError: can only concatenate str (not "int") to str 3、查找字符与统计 >>> s =“apple,peach,banana,peach,pear” >>> s.find(“peach”)#从左开始查找 >>> s.rfind(“p”)#从右开始查找 >>> s.rfind(“wo”)#找不到返回-1 >>> s.count(“pea”)#统计次数 4、分割与合并字符 >>...