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单选题 x = 0.234 result = "%.2f%%" % (x*100) print(result) 上述代码输出什么
学科：Python程序设计
时间：2023-10-22 15:23:00
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题目1单选题
以下程序的输出结果是: from datetime import datetime t = datetime.now() print(t.strftime("%Y-%m-%d%H:%M:%S"))A. 系统当前的日期与时间B. 系统出错C. 系统当前的时间D. 系统当前的日期
题目2单选题
import re pattern = r"dog" text = "I have a dog and a cat." match = re.search(pattern, text) if match: print("Match found!") else: print("Match not found.") 上述代码输出什么A. Error: 're' module not foundB. Match foundC. Match not foundD. Error: invalid regular expression
题目3单选题
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题目4单选题
下面代码的输出结果是: str1 = "mysqlsqlserverPostgresQL" str2 = "sql" ncount = str1.count(str2) print(ncount)A. 2B. 4C. 3D. 5
题目5单选题
下面代码的输出结果是: s = "The python language is a multimodel language." print(s.split(' '))A. ['The', 'python', 'language', 'is', 'a', 'multimodel', 'language.']B. The python language is a multimodel languageC. 系统报错D. Thepythonlanguageisamultimodellanguage
题目6单选题
下面代码的输出结果是: s1 = "The python language is a scripting language." s2 = s1.replace('scripting','general') print(s2)A. The python language is a scripting languageB. The python language is a general languageC. ['The', 'python', 'language', 'is', 'a', 'scripting', 'language.']D. 系统报错
题目7单选题
s = "hello, world!" result = s.find("l") print(result) 上述代码输出什么A. 10B. 11C. 2D. 3
题目8单选题
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题目9单选题
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题目10单选题
x = 0.234 result = "%.2f%%" % (x*100) print(result) 上述代码输出什么A. "23.40%"B. "2.34%"C. 23.4%"D. "0.23%"
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