string = "This contains a word" if "word" in string: print("Found") else: print("Not Found")输出：Found 我们使用上面程序中的if/in语句检查了字符串变量string中是否包含单词word。这种方法按字符比较两个字符串；这意味着它不会比较整个单词，并且可能会给我们
classDiagram class String String : +contains_word(word: str) -> bool 在上面的类图中,我们定义了一个String类,其中包含了一个contains_word()方法,用来判断字符串是否包含某个词。 饼状图
string = "Hello, world!" if string.find("world") != -1: (tab)print("String contains 'world'")结合start和end参数使用find函数进行字符串片段的提取。示例：提取字符串中的某个子字符串。string = "Hello, world! world is beautiful." start = 7 end = 12 extract = string[start:end] print...
下面是检查的示例代码: # 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...
=Quit:# Display the menu.display_menu()# Constant to assume string is Palindrome is_palindrome=True # Get the user's choice.choice=int(input('\nEnter your choice: '))# Perform the selected action.ifchoice==Continue:line=input("\nEnter a string: ")str_lower=re.sub("[^a-z0-9]",...
The in membership operator is the recommended way to check if a Python string contains a substring. Converting input text to lowercase generalizes substring checks by removing case sensitivity. The .count() method counts occurrences of a substring, while .index() finds the first occurrence’s ...
# 创建一个包含1到5的平方的列表 squares = [x**2 for x in range(1, 6)] print(squares) # 输出: [1, 4, 9, 16, 25] # 筛选出长度大于等于5的字符串 words = ["apple", "banana", "cherry", "date", "elderberry"] filtered_words = [word for word in words if len(word) >= 5]...
match = match_string.split() for word in words_to_match: if word not in sheet...
Checking for string prefixes and suffixesWhat if you need to check whether one string contains another specifically at the beginning or the end of the string?You can use the string startswith method to check whether one string starts with another string:...
str.contains('{0}'.format(now_time))] res.to_excel(dir_+"\连续掉线情况反馈表{0}.xlsx".format(now_time), index=False) def task1(): # 打开数据库连接 db = pymssql.connect( "IP", "USERNAME", "PASSWORD", "mydatabasename-1", charset="utf8") if db: print("连接成功!") cursor...