3. Capitalize the First Letter of String using capitalize() You can capitalize the first letter of a string using thecapitalize()method. For example, thecapitalize()method is applied to thestringvariable, it converts the first character of the string to uppercase while leaving the rest of the...
AI代码解释 print('How are you?')feeling=input()iffeeling.lower()=='great':print('I feel great too.')else:print('I hope the rest of your day is good.') 当你运行这个程序时,问题被显示出来,在great上输入一个变量,比如GREat,仍然会给出输出I feel great too。向程序中添加代码来处理用户输入...
string_3 = "This is a string." first_letter = string_3[0] To access a range of letters from a larger string, use slicing: string_3[0:4] This will return all characters starting from the number before the colon (0, or the first character) up to but not including the index aft...
Return a copy of the string where all tab characters are replaced by one or more spaces, depending on the current column and the given tab size. The column number is reset to zero after each newline occurring in the string. If tabsize is not given, a tab size of 8 characters is assu...
printable = digits + ascii_letters + punctuation + whitespace 1. 2. 3. 4. 5. 6. 7. 8. 9. 在这个模块中定义的常量如下: string.ascii_letters ascii_lowercase+ascii_uppercase的结果 。该值不依赖于本地设置。 string.ascii_lowercase 小写字母 a-z.该值不依赖于本地设置以及不会被修改。
18. Get first 3 chars of a string. Write a Python function to get a string made of the first three characters of a specified string. If the length of the string is less than 3, return the original string. Sample function and result : ...
popleft() # The first to arrive now leaves 'Eric' >>> queue.popleft() # The second to arrive now leaves 'John' >>> queue # Remaining queue in order of arrival deque(['Michael', 'Terry', 'Graham']) 5.1.3 列表理解 列表推导提供了创建列表的简明方法。常见的应用是创建新的列表,其中...
1.>>> str='stRINg lEArn' 2.>>> 3.>>> str.upper()#转大写 4.'STRING LEARN' 5.>>> 6.>>> str.lower()#转小写 7.'string learn' 8.>>> 9.>>> str.capitalize()#字符串首为大写,其余小写 10.'String learn' 11.>>> 12.>>> str.swapcase()#大小写对换 ...
# Replace letters with nothingphones['Phone number'] = phones['Phone number'].str.replace(r'\D+', '')phones.head()1. 高级数据问题现在我们继续研究更高级的数据问题以及如何解决它们:a. 统一性我们将看到单位统一性。例如,我们...
# Add the non-letters back to the start or end of the word. pigLatin.append(prefixNonLetters + word + suffixNonLetters) # Join all the words back together into a single string: print(' '.join(pigLatin)) 这个循环结束后,我们通过调用join()方法将字符串列表合并成一个字符串。这个字符串被...