PCEP-30-02 1.5 InputOutput console.txt

PCEP-30-02 1.5 Input/Output console operations:

1. What is the output of the following code?
   print("Hello", "World", sep="-")
   A: Hello-World
   B: Hello World
   C: HelloWorld
   D: Hello-World-

2. How do you print "Hello" and "World" on separate lines using a single print() function?
   A: print("Hello\nWorld")
   B: print("Hello", "World", sep="\n")
   C: print("Hello", end="\n"); print("World")
   D: Both A and B are correct

3. What does the end parameter do in the print() function?
   A: It adds text at the end of the printed string
   B: It specifies what character(s) to print at the end
   C: It terminates the program
   D: It has no effect

4. How do you take user input as an integer?
   A: input("Enter a number: ")
   B: int(input("Enter a number: "))
   C: float(input("Enter a number: "))
   D: str(input("Enter a number: "))

5. What is the output of the following code?
   print("Python", "is", "awesome", sep="**")
   A: Python is awesome
   B: Python**is**awesome
   C: Python****is****awesome
   D: Pythonisawesome

6. Which of the following will print "Hello" without a newline at the end?
   A: print("Hello", end="")
   B: print("Hello", end="\n")
   C: print("Hello", sep="")
   D: print("Hello", flush=True)

7. What is the result of float("3.14")?
   A: "3.14"
   B: 3
   C: 3.14
   D: Error

8. How do you print the values 1, 2, and 3 separated by commas?
   A: print(1, 2, 3)
   B: print(1, 2, 3, sep=",")
   C: print("1,2,3")
   D: print("1", "2", "3", sep=",")

9. What does the sep parameter do in the print() function?
   A: It separates multiple print statements
   B: It specifies the separator between multiple arguments
   C: It adds a separator at the end of the printed string
   D: It has no effect

10. What is the output of the following code?
    print("a", "b", "c", sep="", end="**")
    print("d", "e", "f")
    A: abc**def
    B: a b c**d e f
    C: abcdef
    D: abc**
       def

11. How do you convert user input to a float?
    A: input("Enter a number: ")
    B: int(input("Enter a number: "))
    C: float(input("Enter a number: "))
    D: str(input("Enter a number: "))

12. What is the output of print(1, 2, 3, sep="->", end=".")?
    A: 1->2->3
    B: 1->2->3.
    C: 1 2 3.
    D: 1,2,3.

13. Which of the following will raise a ValueError?
    A: int("42")
    B: int("3.14")
    C: float("3.14")
    D: float("42")

14. What is the result of int(3.99)?
    A: 3
    B: 4
    C: 3.99
    D: Error

15. How do you print a backslash (\) character?
    A: print("\")
    B: print("\\")
    C: print("\\\")
    D: print("\b")

16. What is the output of the following code?
    x = input("Enter a number: ")
    print(type(x))
    A: <class 'int'>
    B: <class 'float'>
    C: <class 'str'>
    D: Depends on user input

17. How do you print multiple variables on the same line?
    A: print(var1 + var2 + var3)
    B: print(var1, var2, var3)
    C: print(var1); print(var2); print(var3)
    D: print(var1 & var2 & var3)

18. What is the output of print("Python"[2:4])?
    A: Py
    B: th
    C: tho
    D: yt

19. How do you print a variable's value along with some text?
    A: print("Value: " + variable)
    B: print("Value:", variable)
    C: print(f"Value: {variable}")
    D: Both B and C are correct

20. What happens if you try to convert a non-numeric string to int?
    A: It returns 0
    B: It returns None
    C: It raises a ValueError
    D: It converts to ASCII value

21. What is the output of print("Hello", end="", flush=True)?
    A: Hello
    B: Hello with no newline
    C: Nothing (empty output)
    D: Error

22. How do you take multiple inputs on a single line?
    A: input("Enter values: ").split()
    B: [input() for _ in range(3)]
    C: input(), input(), input()
    D: All of the above

23. What is the result of float("inf")?
    A: Error
    B: 0
    C: A very large number
    D: Positive infinity

24. How do you print a dictionary's keys and values?
    A: print(dict)
    B: print(dict.items())
    C: for k, v in dict.items(): print(k, v)
    D: Both B and C are correct

25. What is the output of print(f"{3.14159:.2f}")?
    A: 3.14159
    B: 3.14
    C: 3.142
    D: Error

Answers:
1. A, 2. D, 3. B, 4. B, 5. B, 6. A, 7. C, 8. D, 9. B, 10. A, 11. C, 12. B, 13. B, 14. A, 15. B, 16. C, 17. B, 18. B, 19. D, 20. C, 21. B, 22. A, 23. D, 24. D, 25. B