Exercise: Standard Libraries

Questions for: Standard Libraries

Which method is used to remove an element from a set?
A:
set.remove()
B:
set.pop()
C:
set.delete()
D:
set.discard()
Answer: D
The discard() method is used to remove a specified element from a set, if the element is present.
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Which module is used for sending emails?
A:
email
B:
smtplib
C:
mail
D:
sendmail
Answer: B
The smtplib module in Python is commonly used for sending emails using the Simple Mail Transfer Protocol (SMTP).
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Which function from the os module is used to change the current working directory?
A:
os.getcwd()
B:
os.chdir()
C:
os.path()
D:
os.dir()
Answer: B
The os.chdir() function is used to change the current working directory in Python.
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In Python, which module is commonly used for handling dates and times?
A:
math
B:
datetime
C:
random
D:
os
Answer: B
The datetime module in Python is used for working with dates and times, providing classes and functions to manipulate and format date and time values.
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What is the purpose of the json.dumps() function?
A:
Reads JSON data from a file
B:
Decodes JSON data
C:
Encodes Python objects into JSON format
D:
Validates JSON syntax
Answer: C
The json.dumps() function is used to encode Python objects into a JSON-formatted string, allowing you to serialize data for storage or transmission.
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