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Basic Python Programming

Subject : it-skills

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Prints a string to the screen which is converted using repr()
+
#
argument variable
%r

2. Binary Left Shift Operator. The left operands value is moved left by the number of bits specified by the right operand. a << 2 will give 240 which is 1111 0000
in
<<
argv
abs(a)

3. Function to empty the contents of a file - no recovery is possible
file.write(stuff)
~
%=
truncate

4. rounds a number to the number of decimal points you choose
round()
file.truncate()
^
&

5. A logical operator which compares two operands and produces True if they are equal and False otherwise
for
/=
del
==

6. Empties the file - watch out if you care about the file.
a**b
truncate
*truncate
readline

7. returns the length of a string (number of characters)
len()
str()
pass
argv

8. turns an object into a string
*=
str()
len()
#

9. Command to print to the screen
<<
print
*=
=

10. Binary XOR Operator copies the bit if it is set in one operand but not both. (a ^ b) will give 49 which is 0011 0001
n
+=
file.write(stuff)
^

11. Prints a string to the screen which is converted using repr()
-=
continue
del
%r

12. inserts an item inside a list at a certain index
insert()
*
len()
in

13. Holds the value of something - e.g. oh_hi = 4 where oh_hi is the variable.
write

()
Variables

14. Less than symbol
<
append()
pass
n

15. Evaluates to true if it finds a variable in the specified sequence and false otherwise. x in y - here in results in a 1 if x is a member of sequence y.
truncate
abs(a)
in
readline

16. A statement that breaks out of a loop.
-=
break
truncate
file.seek()

17. Binary Ones Complement Operator is unary and has the efect of 'flipping' bits. (~a ) will give -60 which is 1100 0011
-
*readline
~
a//b

18. Evaluates to false if the variables on either side of the operator point to the same object and true otherwise. x is not y - here is not results in 1 if id(x) is not equal to id(y).
else
is not
file.write(stuff)
()

19. Command to print to the screen
print
write
#
==

20. Binary Right Shift Operator. The left operands value is moved right by the number of bits specified by the right operand. a >> 2 will give 15 which is 0000 1111
*=
>>
a%b
elif (Else if)

21. Adds something to a variable
=
write
else
for

22. Greater than symbol
>
write
file.readline()
%d

23. modulus AND assignment operator
+=
%=
//=
#

24. Binary OR Operator copies a bit if it exists in eather operand. (a | b) will give 61 which is 0011 1101
|
a**b
print
>

25. This variable holds the arguments you pass to your Python script when you run it. Then you unpack it in your script so you have variables you can work with.
>>
%r
argument variable
readline

26. This keyword creates a new class object which is a user-defined type - like a factory for creating objects.
>>
a%b
write
class

27. Function to read the contents of a file
open()
and
#
read

28. Symbol to add things together
len()
=
a**b
+

29. add AND assignment operator
+=
%
-=
<<

30. Argument variable
argv
insert()
float
%=

31. returns the length of a string (number of characters)
abs(a)
write
len()
&

32. absolute value
^
abs(a)
^
and

33. Greater than or equal symbol.
try
floating point number
>=
class

34. inserts an item inside a list at a certain index
len()
insert()
argument variable
argv

35. modulus AND assignment operator
append()
%=
break
/

36. This keyword begins the simplest form of a conditional statement.
int
#
if
readline

37. Prints a string to the screen which is a signed decimal.
del
%d
()
for

38. A logical operator which negates an expression so that it returns a value of True if the expression is false.
not
()
|
del

39. single line comment
a//b
#
is
for

40. Symbol to subtract things from each other
file.write(stuff)
str()
str()
-

41. Function to empty the contents of a file - no recovery is possible
for
elif (Else if)
truncate
*truncate

42. Turns a line into a comment instead of executable code.
file.truncate()
//=
abs(a)
#

43. floor division
round()
a//b
not
break

44. The keyword beginning a header that will create a new function.
print
#
def
assignment

45. The keyword beginning a header that will create a loop.
.py
*truncate
for
int

46. The extension for Python scripts
file.seek()
.py
else
or

47. Symbol to subtract things from each other
=
-
not
try

48. multiply AND assignment operator
=
*=
file.truncate()
==

49. add AND assignment operator
>
+=
.py
~

50. Argument variable
argv
*read
print
<=