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Kristian Rother at 17:29, 13 February 2013
2013-02-13T17:29:27Z
<p></p>
<p><b>New page</b></p><div>{{Cat|Language Basics - Excercises}}<br />
{{Python Links}}<br />
<br />
Check all syntactically correct statements.<br />
<br />
<quiz display=simple ><br />
{Which input statements are correct?<br />
<br />
|type="[]"}<br />
-a = raw_input()<br />
-a = raw_input(“enter a number”)<br />
-a = raw_input()<br />
- a = raw_input(enter your name)<br />
{<br />
{{Show Answer|<br />
<br />
}}<br />
}<br />
<br />
{ Which print statements are correct?<br />
<br />
|type="[]"}<br />
-print “9” + “9”<br />
-print int(“nine”)<br />
-print str(9) + “nine”<br />
-print 9 + 9<br />
-nine = 9 print nine<br />
{<br />
{{Show Answer|<br />
<br />
}}<br />
}<br />
<br />
{Which are correct arithmetical operations?<br />
<br />
|type="[]"}<br />
-a = 1 * 2<br />
-2 = 1 + 1<br />
-5 + 6 = y<br />
-seven = 3 * 4<br />
{<br />
{{Show Answer|<br />
<br />
}}<br />
}<br />
<br />
{ Which are correct variable names?<br />
<br />
|type="[]"}<br />
-result<br />
-my.result<br />
-print<br />
-result77<br />
{<br />
{{Show Answer|<br />
<br />
}}<br />
}<br />
<br />
{Which are correct type conversions?<br />
<br />
|type="[]"}<br />
-int(7.0+0.1)<br />
-str(1.2 * 3.4)<br />
-float(“77”+”.0”)<br />
-str( 9 / 0 )<br />
{<br />
{{Show Answer|<br />
<br />
}}<br />
}<br />
<br />
{Which operations result in 8?<br />
<br />
|type="[]"}<br />
-65 // 8<br />
-17 % 9<br />
-2 ** 4<br />
-64 ** 0.5<br />
{<br />
{{Show Answer|<br />
<br />
}}<br />
}<br />
<br />
{Which lines are commented?<br />
<br />
|type="[]"}<br />
+“””This is a comment”””<br />
+# This is a comment<br />
-// this is a comment<br />
- '''This is a comment'''<br />
{<br />
{{Show Answer|<br />
<br />
}}<br />
}<br />
<br />
==== Answer the questions: ====<br />
* What is a variable?<br />
* What names may variables have?<br />
* What is an integer?<br />
* What is a string?<br />
* How to assign a variable?<br />
* How to add, substract, and multiply numbers?<br />
* What can be printed with print?<br />
* How can text be read from the keyboard?<br />
* How are comments written in a program?</div>
Kristian Rother