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This set of Problem Solving and Python Programming Multiple Choice Questions & Answers (MCQs) focuses on Problem Solving And Python Programming Set 24

Q1 | To concatenate two strings to a third what statements are applicable?
  • s3 = s1 . s2
  • s3 = s1.add(s2)
  • s3 = s1.    add    (s2)
  • s3 = s1 * s2
Q2 | >>>chr(ord('A'))
  • a
  • b
  • a
  • error
Q3 | >>>print(chr(ord('b')+1))
  • a
  • b
  • c
  • a
Q4 | Which of the following statement prints hello\example\test.txt?
  • print(“hello\\example\\test.txt”)
  • print(“hello\\example\\test.txt”)
  • print(“hello\\”example\\”test.txt”)
  • print(“hello”\\example”\\test.txt”)
Q5 | Suppose s is “\t\tWorld\n”, what is s.strip()?
  • \\t\\tworld\\n
  • \\t\\tworld\\n
  • \\t\\tworld\\n
  • world
Q6 | The format function, when applied on a string returns                        
  • error
  • int
  • bool
  • str
Q7 | +2+3?
  • hello123
  • hello
  • error
  • hello6
Q8 | >>>print("A", end = ' ')
  • dcba
  • a, b, c, d
  • d c b a
  • d, c, b, a will be displayed on four lines
Q9 | What will be displayed by print(ord(‘b’) – ord(‘a’))?
  • 0
  • 1
  • -1
  • 2
Q10 | Say s=”hello” what will be the return value of type(s)?
  • int
  • bool
  • str
  • string
Q11 | What is “Hello”.replace(“l”, “e”)?
  • heeeo
  • heelo
  • heleo
  • none
Q12 | To retrieve the character at index 3 from string s=”Hello” what command do we execute (multiple answers allowed)?
  • s[]
  • s.getitem(3)
  • s.    getitem    (3)
  • s.getitem(3)
Q13 | To return the length of string s what command do we execute?
  • s.    len    ()
  • len(s)
  • size(s)
  • s.size()
Q14 | If a class defines the     str    (self) method, for an object obj for the class, you can use which command to invoke the     str      method.
  • obj.    str    ()
  • str(obj)
  • print obj
  • all of the mentioned
Q15 | To check whether string s1 contains another string s2, use                  
  • s1.    contains    (s2)
  • s2 in s1
  • s1.contains(s2)
  • si.in(s2)
Q16 | Suppose i is 5 and j is 4, i + j is same as
  • i.    add(j)
  • i.    add    (j)
  • i.    add(j)
  • i.    add(j)
Q17 | print(id(s1) == id(s2))
  • true false
  • true true
  • false true
  • false false
Q18 | What function do you use to read a string?
  • input(“enter a string”)
  • eval(input(“enter a string”))
  • enter(“enter a string”)
  • eval(enter(“enter a string”))
Q19 | ))
  • cd
  • abcdef
  • error
  • none of the mentioned
Q20 | ), '*')
  • * abcdef *
  • * abcdef *
  • *abcdef *
  • * abcdef*
Q21 | ), '*', sep= '')
  • * abcdef *
  • * abcdef *
  • *abcdef *
  • * abcdef*
Q22 | , 1))
  • 1abcdef
  • abcdef1
  • abcdef
  • error
Q23 | , '1'))
  • 1abcdef
  • abcdef1
  • abcdef
  • error
Q24 | , '12'))
  • 12abcdef12
  • abcdef1212
  • 1212abcdef
  • error
Q25 | ))
  • 2
  • 0
  • 1
  • none of the mentioned