def print_vec(x, y, z):
print(f"[{x} \n{y} \n{z}]")Some Python Utilities
Python Utilities
Function Argument Unpacking
Reference: https://www.youtube.com/watch?v=YWY4BZi_o28
print_vec(1, 2, 3)[1
2
3]tuple_vec = (1, 0, 1)
#print_vec(tuple_vec)
print_vec(tuple_vec[0], tuple_vec[1], tuple_vec[2])[1
0
1]list_vec = [1, 0, 1]
print_vec(tuple_vec[0], tuple_vec[1], tuple_vec[2])
print("*"*20)
print_vec(*tuple_vec)
print("*"*20)
print_vec(*list_vec)[1
0
1]
********************
[1
0
1]
********************
[1
0
1]dictionary_vec = {"x": 1, "y": 0, "z": 1}
print_vec(**dictionary_vec)[1
0
1]dictionary_vec = {"a": 1, "b": 0, "c":1}
print_vec(**dictionary_vec)--------------------------------------------------------------------------- TypeError Traceback (most recent call last) /Users/nipun/git/ml2023/notebooks/posts/python-utils.ipynb Cell 8 in <cell line: 2>() <a href='vscode-notebook-cell:/Users/nipun/git/ml2023/notebooks/posts/python-utils.ipynb#W6sZmlsZQ%3D%3D?line=0'>1</a> dictionary_vec = {"a": 1, "b": 0, "c":1} ----> <a href='vscode-notebook-cell:/Users/nipun/git/ml2023/notebooks/posts/python-utils.ipynb#W6sZmlsZQ%3D%3D?line=1'>2</a> print_vec(**dictionary_vec) TypeError: print_vec() got an unexpected keyword argument 'a'
print(*dictionary_vec)a b cZip
list(zip([1, 2, 3], ['a', 'b', 'c'], [7, 8, 9]))[(1, 'a', 7), (2, 'b', 8), (3, 'c', 9)]Itertools Product
import itertools
list(itertools.product([1, 2], ['a', 'b', 'c'], [7, 8, 9]))[(1, 'a', 7),
(1, 'a', 8),
(1, 'a', 9),
(1, 'b', 7),
(1, 'b', 8),
(1, 'b', 9),
(1, 'c', 7),
(1, 'c', 8),
(1, 'c', 9),
(2, 'a', 7),
(2, 'a', 8),
(2, 'a', 9),
(2, 'b', 7),
(2, 'b', 8),
(2, 'b', 9),
(2, 'c', 7),
(2, 'c', 8),
(2, 'c', 9)]