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Day 10 - ONLINE TEST - PL03 PYTHON PROGRAMMING

Authored by malathia CSE

Computers

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Day 10 - ONLINE TEST - PL03 PYTHON PROGRAMMING
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which function can be used on the file to display a dialog for saving a file?

Filename = savefilename()

Filename = asksavefilename()

Mars

Fielname = asksaveasfilename()

No such option in python.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of applying the following method df.head(), to the dataframe df ?

Prints the first row of the dataframe

Prints the first 5 rows of the dataframe

Prints the first column of the dataframe

Prints the data frame out

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if no arguments are passed to the seek function?

file position is set to the start of file

file position is set to the end of file

file position remains unchanged

Error

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following functions can be used to check if a file “logo” exists?

os.path.isFile(logo)

os.path.exists(logo)

os.path.isfile(logo)

os.isFile(logo)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the <readlines()> method returns?

str

a list of lines

list of single characters

list of integers

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements correctly explain the function of truncate() method?

truncates the file’s size

deletes the content of the file

truncates the file’s size and returns that content

None

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct syntax of open() function?

file = open(file_name, [ access_mode],[buffering])

file object = open(file_name, [access_mode],[buffering])

file object = open(file_name)

None

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