Page 120 - CatalogNEP-LS

e. Find the frequency of a character in a string.
f. Replace a character by another character in a string.
g. Remove the first occurrence of a character from a string.
h. Remove all occurrences of a character from a string.
10. WAPtoswapthefirstncharactersoftwostrings.
11. Write a function thataccepts two strings and returnsthe indicesof all the occurrencesof the
second string in the first string as a list. If the second string is not present in
thefirststringthenitshouldreturn-1.
12. WAP to create a list of the cubes of only the even integers appearing in the input
list(mayhaveelementsofothertypesalso)usingthefollowing:
a. 'for' loop
b. list comprehension
13. WAPtoreadafileand
a. Print the total number of characters, words and lines in the file.
b. b. Calculate the frequency of each character in the file. Use a variable of dictionary
type to maintain the count.
c. c. Print the words in reverse order.
d. d. Copy even lines of the file to a file named ‗File1‘ and odd lines to another file
named ‗File2‘.
14. WAPtodefineaclassPointwithcoordinatesxandyasattributes.Createrelevant methods and
print the objects. Also define a method distance to calculate
thedistancebetweenanytwopointobjects.
15. Writeafunctionthatprintsa dictionary where the keys are numbers between 1 and
5andthevaluesarecubes ofthekeys.
16. Consideratuplet1=(1,2,5,7,9,2,4,6,8,10).WAPtoperformfollowingoperations:
a. Printhalfthevaluesofthetupleinonelineandtheotherhalfinthenextline.
b. Printanothertuplewhosevaluesareevennumbersinthegiventuple.
c. Concatenateatuplet2=(11,13,15)witht1.
d. Returnmaximumandminimumvaluefromthistuple
17. WAPtoacceptanamefromauser.Raiseandhandleappropriateexception(s)
ifthetextenteredbytheusercontainsdigitsand/orspecialcharacters.

SUGGESTED READINGS:

1. Taneja,S.,Kumar,N.PythonProgramming-
AmodularApproach,1stedition,PearsonEducationIndia, 2018.
2. Balaguruswamy E. Introduction to Computing and Problem-Solving using Python,
2ndedition,McGrawHill Education, 2018.
3. Brown,MartinC.Python:TheCompleteReference,2ndedition,McGrawHillEducation, 2018.
4. Guttag,J.V.IntroductiontocomputationandprogrammingusingPython,2ndedition,MITPress,
2016.

Minor III:

Micro.321 Microbial Genetics 2+1

LEARNING OBJECTIVES:

The primary objective of this course is to introduce:

105