=-1:print("The string contains 'World'")else:print("The string does not contain 'World'") 1. 2. 3. 4. 5. 6. 在上面的示例中,我们使用find方法来判断字符串my_string是否包含子串"World"。如果返回的位置不是-1,则说明包含,输出The string contains '
# 检查字符串是否包含某个词if"Python"inmy_string:print("The string contains the word 'Python'.")else:print("The string does not contain the word 'Python'.") 1. 2. 3. 4. 5. 在这段代码中,我们使用in关键字来检查字符串my_string是否包含关键词"Python"。如果包含,则输出字符串包含该关键词...
=-1:print(f'"{str1}" contains "{str2}"')else:print(f'"{str1}" does not contain "{str2}"')index=str1.find(str3)ifindex!=-1:print(f'"{str1}" contains "{str3}"')else:print(f'"{str1}" does not contain "{str3}"') Copy Output: "I love Python Programming"contains"Pyth...
已解决:SyntaxError: expression cannot contain assignment, perhaps you meant “==“? 一、分析问题背景 在Python编程中,我们有时会遇到一个常见的语法错误提示:“SyntaxError: expression cannot contain assignment, perhaps you meant “==“?”。这个错误通常发生在尝试在表达式中进行赋值操作时,而不是进行比较操作。
Perform a string formatting operation. The format_string argument can contain literal text or replacement fields delimited by braces {}. Each replacement field contains either the numeric index of a positional argument, or the name of a keyword argument. Returns a copy of format_string where each...
You may only want to match occurrences of your substring followed by punctuation, or identify words that contain the substring plus other letters, such as "secretly".For such cases that require more involved string matching, you can use regular expressions, or regex, with Python’s re module....
print("The string does not contain 'CA'") In this example, theinoperator checks if the substring"CA"is present in thestatestring variable, which represents a U.S. state name. The code will output “The string contains ‘CA'” since “California” includes “CA”. Theinoperator is case...
if (str.__contains__(string, my_substring)): print(‘String contains substring!’) else: print(‘String does not contain substring’) The first argument is the string you are searching, and the second is the substring you are looking for. It also returns a Boolean. But these methods are...
If sep is not specified or is None, a different splitting algorithm is applied: runs of consecutive whitespace are regarded as a single separator, and the result will contain no empty strings at the start or end if the string has leading or trailing whitespace. Consequently, splitting an empty...
e.g., make your numbers/strings smaller, arrays/lists shorter, your data structures contain fewer items, and your loops/functions run fewer times for Python, set breakpoints using special#breakcomments (example) Code that defines too many variables or objects ...