string="Hello, world!"char="o"position=string.find(char)print("The position of '{}' in the string is: {}".format(char,position)) 1. 2. 3. 4. 5. 上述代码中,我们定义了一个字符串变量string和一个字符变量char。然后使用find()方法查找字符o在字符串中的位置,并将结果赋值给position变量。最...
Strings can beconcatenatedto build longer strings using the plus sign and also they can bemultipliedby a number, which results in the continuous repetition of the string as many times as the number indicates. Also, if we want to find out thelengthof the string, we simply have to use thelen...
File "<pyshell#10>", line 1, in <module> bytes.decode() UnicodeDecodeError: 'utf-8' codec can't decode byte 0xd3 in position 1: invalid continuation byte >>> bytes.decode("GBK") 'C语言中文网' 1. 2. 3. 4. 5. 6. 7. 8. 9. Python dir()和help()帮助函数 Python dir() 函数...
# to find the first position of the character #ina givenstring# Initialisingstringini_string='abcdef'# Character to find c="b"# printing initialstringand character print ("initial_string :", ini_string,"\ncharacter_to_find :", c) # Using Naive Method res=Noneforiinrange(0, len(ini_...
Return True if the string ends with the specified suffix, otherwise return False. suffix can also be a tuple of suffixes to look for. With optional start, test beginning at that position. With optional end, stop comparing at that position. ...
With optional end, stop comparing S at that position. suffix can also be a tuple of strings to try. """ return False def expandtabs(self, *args, **kwargs): # real signature unknown """ Return a copy where all tab characters are expanded using spaces. ...
使用 find()>>> myString = 'Position of a character'>>> myString.find('s')2>>> myString....
| With optional start, test S beginning at that position. | With optional end, stop comparing S at that position. | suffix can also be a tuple of strings to try. | | expandtabs(...) | S.expandtabs(tabsize=8) -> str | | Return a copy of S where all tab characters are expanded...
#result = string[position - 1] + string[position] 编程实战和练习 #下面的程序演示了字符串处理算法。 #该程序读取一个包含被测人员对另外一个多项选择考试的答案的字符串,然后划分等级 #该程序读取一个包含被测人员对一个多项选择考试的答案的字符串,然后划分等级 ...
word ='Python'word[0]# Character in position 0. 输出为: Output 'P' 指定其他索引值来返回该位置中的字符: Python word[5]# Character in position 5. 输出为: Output 'n' 索引也可以是负数,表示计数从字符串的末尾开始。 由于 -0 相当于 0,因此负索引从 -1 开始: ...