使用str.isupper()方法检查字符串的第一个字母是否为大写,例如if string[0].isupper():。 如果字符串的首字母大写,则str.isupper()方法将返回True,否则返回False。 my_str ='Jiyik'ifmy_str[0].isupper():print('The first letter of the string is uppercase')else:print('The first letter of the str...
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def decapitalize_first_letter(s, upper_rest=False): # Join the first letter in lowercase with the rest of the string, optionally capitalizing the rest return ''.join([s[:1].lower(), (s[1:].upper() if upper_rest else s[1:])]) # Test the function with different input strings and...
>>> mystring = "how to uppercase the first letter of a word in python" >>> mystring.title() 'How To Uppercase The First Letter Of A Word In Python' 该title()方法的作用是用给定的字符串制作标题。因此,每个单词都以大写字母开头。这也称为帕斯卡大小写,其中每个单词都以大写字母开头。所以,...
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...
uppercase_string = stringVar.upper() # Example 5: Convert part of the string to upper stringVar = "welcome to sparkbyexamples" uppercase_string = stringVar[:10] + stringVar[10:].upper() # Example 6: Convert the first letter to uppercase ...
capitalize()– capitalizes the first letter of a string. isdigit()– returns True if a string contains only digits. islower()– returns True if all alphabetic characters are in lowercase. len(string)– obtains the length of string.
8. String capitalize() MethodThis method returns a string with only the first letter of the first word as uppercase.SyntaxHere is the syntax of the String capitalize() method:string.capitalize()ExampleThe following is the example demonstrating the usage of the capitalize() method:...
Return true if all cased characters in the string are uppercase and there is at least one cased character, false otherwise. 判断字符是不是都为大写。 str.join(iterable) Return a string which is the concatenation of the strings in the iterable iterable. ...
>>>def in_both(word1, word2): >>> for letter in word1: >>> if letter in word2: >>> print letter 3\The relational operators work on strings. All the uppercase letters come before all the lowercase letters