python
ternary operations:
state = "nice" if is_nice else "not nice"
import files
from fileName import module # same root directory
from folder.fileName import module # if the file existed in a sub directory
General
| function |
description |
| print(any, sep=”\t”) |
print any number of arguments separated by Tab |
| pprint(any) |
pretty print |
Dictionary
| function |
description |
| d = dict() |
create empty dict |
| d.get(key, defaultValue) |
get the value of a key in dictionary, if not found will assign defaultValue to it |
| d.keys() |
return a list of all keys in dictionary |
| d.values() |
return a list of all values in dictionary |
| d.items() |
return a list of items as key, value Tuple |
Random
| function |
description |
| access random by |
import random |
| random.random() |
generates random real (float) numbers between 0.0 and 1.0 (not included) |
| random.randint(low, high) |
generates random integer between low and high (both included) |
| random.choice(list) |
selects a random element from the list. |
List
| function |
description |
| t = list() |
create empty list |
| t.sort( reverse=True ) |
sort list descending order |
| t.extend(list) |
take every element of list and add it to end of t by order |