‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬给出如下代码‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬<br/>s<br/>= 'Python is Open Source!'<br/>print(s&#91;0:&#93;.upper())<br/>上述代码的输出结果是 A: PYTHON IS<br/>OPEN SOURCE! B: PYTHON C: Python is<br/>Open Source! D: PYTHON IS<br/>OPEN SOURCE

中国大学MOOC: 给出如下代码s = Python is Open Source!print(s&#91;0:&#93;.upper())上述代码的输出结果是

给出如下代码：‪‪‪‪‪‪‫‪‪‪‪‪‫‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‫s='PythonisOpenSource!'print(s&#91;0:&#93;.upper())上述代码的输出结果是‪‪‪‪‪‪‫‪‪‪‪‪‫‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪‪()。 A: PYTHON B: PythonisOpenSource! C: PYTHONISOPENSOURCE! D: PYTHONISOPENSOURCE

下列代码中能够正确实现追加写入的是（ ）。 A: with open("d:\\python\\data.txt",'w') as f: f.write('Hello!') B: with open("d:\\python\\data.txt",'a') as f: f.write('Hello!') C: with open("d:\\python\\data.txt",'r+') as f: f.write('Hello!') D: with open("d:\\python\\data.txt",'wb+') as f: f.write('Hello!')

下列程序的输出结果是()。f=open('out.txt','w+')f.write('Python') f.seek(0)c=f.read(2) print() f.close() A: Pyth B: Python C: Py D: th