Python discrete note | Note of Thi

The last modifications of this post were around 4 years ago, some information may be outdated!

On this page

Miscellaneous

; is not used, use spaces instead!
If you wanna 2 or more commands in 1 line, you can use ; to separate them.
Tab size usually is 4.
Lines can be broken with just an Enter, you also use \ between the lines if you want.
From Python 3.6, you can use 1_000_000 for the number 1000000.
from __future__ import <package> allows current version of python to use <package> which is only available in the "future" version of python.
if __name__ == "__main__": determines the main running file of codes. The codes inside this command only run if the file containing it is the main executed file! [read more]
If we don't need to mention some variable, use _:
```
for _ in range(2):
  print("Thi")
```
```
Thi
Thi
```

a, b = b, a

# Clear (without confirmation) a variable from workspace
del <var>
%reset_selective <var>

# Check if available and then delete
if '<var>' in globals(): del <var>
# use locals() inside a def

# Clear all variables
%reset # with confirmation
%reset -f # without confirmation

Huyền Chip -- A gentle guide to Python features that I didn't know exist or was too afraid to use.