详情

1.isupper()检测字符串外的字母可可沿途年夜写乐鱼体育乐鱼体育，复返布我值，若沿途年夜写复返True，若没有是复返Falsestr1 = "12fjjfljZKDIwifjgFDLKZZ"str2 = "FALJFLDSJFLDZNVMMRUOQRP"print(str1.isupper()) # Falseprint(str2.isupper()) # True2.islower()检测字符串外的字母可可沿途小写，复返布我值，若沿途小写复返True，若没有是复返Falsestr3 = "wieorpqfjlaldlfmncbbvn"str4 = "FDHQOODHAKZFHJ123jkkka"print(str3.islower()) # Trueprint(str4.islower()) # False3.isdigit()检测字符外的理论可可沿途是数字，复返布我值，若沿途是数字复返True，乐鱼体育若没有是复返Falsestr5 = "1234567890"str6 = "reoqor1245"print(str5.isdigit()) # Trueprint(str6.isdigit()) # False4.istitle()检测字符串的双词的尾字符可可年夜写，复返布我值，如果复返True，若没有是复返Falsestr7 = "Hello World"str8 = "good night"print(str7.istitle()) # Trueprint(str8.istitle()) # False5.isalpha()检测字符串的理论可可沿途是字母战翰墨，复返布我值，如果复返True，若没有是复返Falsestr9 = "1234weettskfg您孬"str10 = "hello撵走惠顾"print(str9.isalpha()) # Falseprint(str10.isalpha()) # True

• 年夜
• 乐鱼体育
• 沿途
• 复返
• True