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Top Python How-To Questions
Choose the best string formatting: % vs. .format vs. f-string literal.
'.format'
string formatting
f-string
'%'
Reverse a string.
python
string
reverse
Convert an integer into a string.
python
convert
integer-to-string
Generate random strings with upper case letters and digits.
python
random
string-uppercase
generate
Use a pythonic way to create a long multi-line string.
python
string
multilinestring
multiline
Check if a string is empty.
python
string
check
empty
Pad zeroes to a string.
python
string
pad zeros
Check if a string is a float.
python
check type
float
Print literal curly-brace characters in a string and also use .format on it.
python
string
format
curly-braces
string-formatting
Determine the type of an object.
python
list
types
tuple
str
dict
int
Lowercase a string.
python
string
uppercase
lowercase
Get a substring of a string.
python
string
substring
Parse a string to a float or integer.
python
floating-point
type-conversion
integer
parsing
Convert a string into datetime format.
python
datetime
convert
Convert bytes to a string.
python
string
python3x
Check if a string contains a substring.
python
string
contains
substring
Understand how slice notation works.
python
slice
list
iterable
Create a pandas DataFrame from a dictionary.
python
pandas
dataframe from dictionary
Get the last item of a list.
python
list
last item
Create a class.
python
create a class
define a class
class definition
Get the first two characters of a string.
python
strings
slice
Top Python What Questions
What is the difference between venv, pyvenv, pyenv, virtualenv, virtualenvwrapper, pipenv?
python
venv
virtualenv
pipenv
What ipython
pyenv
virtualenvwrapper
pyvenv
What is the meaning of single and double underscore before an object name?
python
double-underscore
single-underscore
What's the canonical way to check a type in Python?
python
canonical
check-type
What can I use as a replacement for the switch statement in Python?
python
replace
switch statement
How to add an existing venv virtual environment in PyCharm
venv
pycharm
What to do to import files from a different folder in python
python
python-import
importerror
Why is reading lines from stdin much slower in C++ than Python?
python
readlines
c++
What are metaclasses in Python?
python
oop
metaclass
python-class
python-datamodel
Python Classes and OOP Explained
oop
object oriented programming
classes
What is if __name__ == "__main__" in Python?
python
__main__
__name__==
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