AI740-3.py

st = {}

for u in range(0, 5):
    usr = str(input(str(u+1) + '. user name: '))
    st[usr] = {}

def grade():
    try:
        for k in st.keys():
            midterm = float(input(f'midterm grade for {k}: '))
            project = float(input(f'project grade for {k}: '))
            final = float(input(f'final grade for {k}: '))
            st[k] = {
                'midterm': midterm,
                'project': project,
                'final': final,
                'passingGrade': int(midterm * 0.3 + project * 0.3 + final * 0.4)
            }
    except TypeError as err:
        print('Values must be an float or integer!')
        print(err)
    except ValueError as err:
        print('Values must be equal or greater then zero!')
        print(err)
    return st

students = grade()
grades = sorted([q['passingGrade'] for q in students.values()])
print(grades)