Date and time handling in Python - Cheat Sheet & Quick Revision

Recall & Review

beginner

What Python module is commonly used for working with dates and times?

The datetime module is commonly used to work with dates and times in Python.

beginner

How do you get the current date and time in Python?

Use datetime.datetime.now() to get the current date and time.

beginner

What is the difference between date and datetime in Python?

date stores only the year, month, and day. datetime stores date and time (hours, minutes, seconds, microseconds).

intermediate

How can you format a date object as a string in Python?

Use the strftime() method with format codes, like date.strftime('%Y-%m-%d').

intermediate

How do you calculate the difference between two dates in Python?

Subtract one date or datetime object from another to get a timedelta object representing the difference.

Which method returns the current date and time in Python?

A datetime.datetime.date()

B datetime.date.today()

C time.time()

D datetime.datetime.now()

datetime.datetime.now() returns the current date and time.

What does the strftime() method do?

A Parses a string into a date

B Converts a date or datetime to a formatted string

C Returns the current time

D Calculates the difference between dates

strftime() formats a date or datetime object as a string.

What type of object do you get when subtracting two datetime objects?

A timedelta

B datetime

C date

D int

Subtracting two datetime objects returns a timedelta object.

Which Python module provides the timedelta class?

A calendar

B time

C datetime

D os

The timedelta class is part of the datetime module.

How do you get only the date part from a datetime object?

A Use the <code>.date()</code> method

B Use the <code>.time()</code> method

C Use <code>datetime.now()</code>

D Use <code>strftime('%H:%M:%S')</code>

The .date() method extracts the date part from a datetime object.

Explain how to get the current date and time, and how to format it as a string in Python.

Think about how to get now and then convert it to a readable string.

Describe how to find the number of days between two dates in Python.

Remember what happens when you subtract dates.