print("Strings are not equal") 在这个例子中,由于str1和str2不相等,程序将输出“Strings are not equal”。 字符串长度 有时我们可能需要根据字符串的长度来做决策,我们可以使用len()函数来获取字符串的长度: s = "Python" if len(s) > 5: print("The string is long") else: print("The string is...
java用equals方法比较的是字符串的内容是否相同，先判断地址是否相等，相等返回true；比较类型是否一样，不...
如果不等于0,就输出The string is not equal to zero.,否则输出The string is equal to zero.。 示例 下面是一个完整的例子,演示了如何使用Python判断一个字符串不等于0: s=input("Please enter a string: ")ifs!="0":print("The string is not equal to zero.")else:print("The string is equal to...
[ STRING1 > STRING2 ] 如果 “STRING1” sorts after “STRING2” lexicographically in the current locale则为真。 [ ARG1 OP ARG2 ] “OP” is one of -eq, -ne, -lt, -le, -gt or -ge. These arithmetic binary operators return true if “ARG1” is equal to, not equal to, less than,...
1、自动化office，包括对excel、word、ppt、email、pdf等常用办公场景的操作，python都有对应的工具库，...
--判断是否不为None:obj is not None unittest所有断言方法 1.下面是unittest框架支持的所有断言方法,有兴趣的同学可以慢慢看。 | assertAlmostEqual(self, first, second, places=None, msg=None, delta=None) | Fail if the two objects are unequal as determined by their ...
| Return a copy of the string S with leading whitespace removed. | If chars is given and not None, remove characters in chars instead. | | partition(...) | S.partition(sep) -> (head, sep, tail) | | Search for the separator sep in S, and return the part before it, ...
params=self.params)self.assertEqual(response.status_code, 200) # 运行测试if __name__ == '__...
/bin/env python # coding=gb2312 # -*- coding: gb2312 -*- from __future__ import division ### if-else...: ", a else: print "max: ", b ### if-elif-else ###...
因此，分配给字符串中的索引位置会导致错误：>>> word[0] = 'J'...TypeError: 'str' object does not support item assignment>>> word[2:] = 'py'...TypeError: 'str' object does not support item assignmentIf you need a different string, you should create a new one:如果需要一个不同的字符...