defis_alphanumeric(string):forcharinstring:ifnot(char.isalpha()orchar.isdigit()):returnFalsereturnTruestring ="abc123"print(is_alphanumeric(string))# 输出:Truestring ="abc123!"print(is_alphanumeric(string))# 输出:False 在这个示例中,我们定义了一个名为is_alphanumeric()的函数,它接受一个字符串...
AI检测代码解析 defis_alphanumeric(input_str):returnall(char.isalnum()forcharininput_str)# 测试示例print(is_alphanumeric('abc123'))# Trueprint(is_alphanumeric('abc'))# Trueprint(is_alphanumeric('123'))# Trueprint(is_alphanumeric('abc123!'))# False 1. 2. 3. 4. 5. 6. 7. 8. 在...
def is_number(s): try: float(s) return True except ValueError: return Falseprint(is_number("123")) # 输出: Trueprint(is_number("12.3")) # 输出: Trueprint(is_number("abc")) # 输出: False14、将字符串转换为驼峰命名 将下划线命名法的字符串转换为驼峰命名法。def to...
defis_alphanumeric(string):forcharinstring:ifnotchar.isalpha()andnotchar.isdigit():returnFalsereturnTrue# 测试代码string1="Hello123"string2="Hello, World!"print(is_alphanumeric(string1))# 输出 Trueprint(is_alphanumeric(string2))# 输出 False 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. ...
) | S.isalnum() -> bool | | Return True if all characters in S are alphanumeric | and there is at least one character in S, False otherwise. | | isalpha(...) | S.isalpha() -> bool | | Return True if all characters in S are alphabetic | and there is at least one ...
from stringimportascii_letters,digits defcompare_alphanumeric(first,second):forcharacterinfirst:ifcharacterinascii_letters+digits and character notinsecond:returnFalsereturnTrue str1='ABCD'str2='ACDB'print(compare_alphanumeric(str1,str2))str1='A45BCD'str2='ACD59894B'print(compare_alphanumeric(str...
| Raises ValueError when the substring is not found. | | isalnum(...) | S.isalnum() -> bool | | Return True if all characters in S are alphanumeric | and there is at least one character in S, False otherwise. | |isalpha(...) ...
| S.isalnum() -> bool | | Return True if all characters in S are alphanumeric | and there is at least one character in S, False otherwise. | | isalpha(...) | S.isalpha() -> bool | | Return True if all characters in S are alphabetic | and there is at least one character ...
Like S.find() butraiseValueError when the substringisnotfound. """ return 0 def isalnum(self): """是否是字母和数字""" """ S.isalnum()->bool ReturnTrueifallcharactersinS are alphanumeric andthereisat least one characterinS,Falseotherwise. ...
print('alphanumeric key {0} pressed'.format( key.char)) except AttributeError: print('special key {0} pressed'.format( key)) #通过属性判断按键类型。 def on_release(key): '松开按键时执行。' print('{0} released'.format( key))