List the envs
➜ ~ conda env list
# conda environments:
#
data-structures /Users/yq/.conda/envs/data-structures
base * /Users/yq/anaconda3
tensorflow1 /Users/yq/anaconda3/envs/tensorflow1
yolo /Users/yq/anaconda3/envs/yolo
Change env to base
➜ ~ conda activate base
(base) ➜ ~
Exit the env
conda deactivate