Only use colons after statements that are complete sentences. Don't use it after a sentence fragment. It may be used between independent clauses when the second sentence explains the first sentence. Ex: He has three favorite movie genres: action, comedy, and drama.
well im in e-learning so its like this with the school im at i join any zooms exept for the colaboration assighnments and its all at my own pace so only 2 assighments everyday for 3 clasess