텍스트 보기 더보기 Environment jupyter colab usage !, %, run linux command cd, pwd, ls mkdir, rm, cp head, more, tail, cat util apt git, wget grep, wc, tree tar, unrar, unzip gpu nvidia-smi python env python interactive execute file pip syntax variable data tuple list dict set loop if comprehensive list function class module import libray numpy op shape slicing reshape axis + sum, mean pandas load view ..
