PYTHON测试题分析和总结.docx

1.what does the following code 1.what does the following code do?（B） def a(b, c, d): pass defines a list and initializes it defines a function, which does nothing defines a function, which passes its parameters through defines an empty class 2.what gets printed? Assuming python version 2.x( 2.what gets printed? Assuming python version 2.x(A) print type(1/2) type int type number type float type double type tuple 3. what is the output of the following code? 3. what is the output of the following code?（E） print type([1,2]) type tuple type int type set type complex type list 4. what gets 4. what gets printed?（C） def f(): pass print type(f()) type function type tuple type NoneType type str type type 5. what should the below code print?( 5. what should the below code print?(A) print type(1J) type complex type unicode type int type float type dict 6. what is the output of the following code?( 6. what is the output of the following code?(D) print type(lambda:None) type NoneType type tuple type type type function type bool 7. what is the output of the below program?( 7. what is the output of the below program?(D) a = [1,2,3,None,(),[],] print len(a) A.syntax error B.4 C.5 D.6 E.7 8.what gets printed? Assuming python version 3.x( 8.what gets printed? Assuming python version 3.x(C) print (type(1/2)) type int type number type float type double type tuple 9. What gets 9. What gets printed?(C) d = lambda p: p * 2 t = lambda p: p * 3 x = 2 x = d(x) x = t(x) x = d(x) print x A.7 B.12 C.24 D.36 E.48 10. What gets 10. What gets printed?(A) x = 4.5 y = 2 print x//y A.2.0 B.2.25 C.9.0 D.20.25 E.21 11. What gets 11. What gets printed?(C) nums = set([1,1,2,3,3,3,4]) print len(nums) A.1 B.2 C.4 D.5 E.7 12. What gets 12. What gets printed?(A) x = True y = False z = False if x or y and z: print yes else: print no A.yes B.no C.fails to compile 13. 13. What gets printed?(C) x = True y = False z = False if not x or y: print 1 elif not x or not y and z: print 2 elif elif not x or y or not y and