| << Chapter < Page | Chapter >> Page > |
| Figure 2 . Question 6. |
|---|
def prod(a,b):
return a*bdef sum(c,d):
return c+dcomp = lambda w,x,y,z : sum(w,x) * prod(y,z)
print(comp(3,4,5,6))===============================================================================
210 |
Go to answer 6
True or False? The code in the top panel of Figure 3 produces the output shown in the bottom panel of Figure 3 .
| Figure 3 . Question 7. |
|---|
highNumbers = list(filter((lambda x: x>5), range(10)))
print(highNumbers)===============================================================================
[5, 6, 7, 8, 9] |
Go to answer 7
True or False? The code in the top panel of Figure 5 produces the output shown in the bottom panel of Figure 5 .
| Figure 5 . Question 8. |
|---|
import re
str = "abcd$"if re.search(r'[ceg$]', str):print("Match")
else:print("No Match")
if re.search(r'[^abcd$]', str):
print("Match")else:
print("No Match")===============================================================================
MatchMatch |
Go to answer 8
True or False? The code in the top panel of Figure 7 produces the output shown in the bottom panel of Figure 7 .
| Figure 7 . Question 9. |
|---|
import re
s = "pqrabcdefg-abcd-abc$"matches = re.findall(r'ab', s)
for substr in matches:print(substr)
searchObj = re.search(r'ab', s)if searchObj:
print(str(searchObj.start()) + "-" + str(searchObj.end()))===============================================================================
abab
ab3-5 |
Go to answer 9
True or False? The code in the top panel of Figure 8 produces the output shown in the bottom panel of Figure 8 .
| Figure 8 . Question 10. |
|---|
myList = [0,1,2,3,4,5,6]
print(myList)print("ok")
print(*myList)===============================================================================
[0, 1, 2, 3, 4, 5, 6]ok
[0, 1, 2, 3, 4, 5, 6] |
Go to answer 10
Note: You will need to understand lambda and filter to understand the code in most of the remaining questions.
True or False? The code in the top panel of Figure 10 produces the output shown in the bottom panel of Figure 10 .
| Figure 10 . Question 11. |
|---|
import re
myList = ('Dick', 'TomDickHarry', 'Dick is my name')for testString in myList:
print("Test string:",testString)lambdaFunction = lambda arg: re.search(r"Dick", arg)
matchObject = lambdaFunction(testString)if(matchObject!=None):
print(" Matching subString:",matchObject.group())===============================================================================
Test string: DickMatching subString: Dick
Test string: TomDickHarryMatching subString: Dick
Test string: Dick is my nameMatching subString: Dick |
Go to answer 11
True or False? The code in the top panel of Figure 11 produces the output shown in the bottom panel of Figure 11 .
| Figure 11 . Question 12. |
|---|
import re
myList = ('Dick', 'TomDickHarry', 'Dick is my name')for testString in myList:
print("Test string:",testString)lambdaFunction = lambda arg: re.match(r"Dick", arg)
matchObject = lambdaFunction(testString)if(matchObject!=None):
print(" Matching subString:",matchObject.group())===============================================================================
Test string: DickMatching subString: Dick
Test string: TomDickHarryMatching subString: Dick
Test string: Dick is my nameMatching subString: Dick |
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