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,...
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.
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 ...
8. String capitalize() MethodThis method returns a string with only the first letter of the first word as uppercase.9. String startswith(prefix,beg,end) MethodThis method returns true if the string starts with specified string 'prefix' else return false....
In the first example, you use single quotes to delimit the string literal. In the second example, you use double quotes.Note: Python’s standard REPL displays string objects using single quotes even though you create them using double quotes....
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. ...