"""
Bad example
"""

def calc (l) :
    t =0
    for i in l:
        t = t + i
    a = t / len (l)
    if a >=90:
        g = "A"
    elif a >=80:
        g = "B"
    elif a >=70:
        g = "C"
    elif a >=60:
        g = "D"
    else :
        g = "F"
    return g, a

def doeverything (n, s1, s2, s3, s4, s5) :
    print ("Processing student :"+ n)
    l = [s1, s2, s3, s4, s5]
    r = calc (l)
    print ("Average :"+ str (r [1]))
    print ("Grade :"+ r [0])
    if r[1] >= 60:
        print ("Status : PASSED")
    else:
        print ("Status : FAILED")
    return r

# main program
x = "John"
doeverything (x,85,90,78,92,88)
print ("---")
y = "Jane"
doeverything (y,55,60,45,50,58)
print ("---")
z = "Bob"
doeverything (z,70,75,80,72,78)

"""
[x] Naming conventions (variables, functions, classes)
[x] Code structure and indentation
[x] Magic numbers and constants
[x] Function length and single responsibility
[ ] DRY principle (Don’t Repeat Yourself)
[x] Comments and documentation
[x] Error handling
[x] Whitespace and formatting
[ ] Mutable default arguments
"""

"""
good example
"""

def calculate_avg(points: list[int]) -> float:
    return sum(points) / len(points)

def calculate_grade(point_avg: float) -> str:
    grade_dict = {
        (lambda avg: avg >= 90): "A",
        (lambda avg: avg >= 80): "B",
        (lambda avg: avg >= 70): "C",
        (lambda avg: avg >= 60): "D",
        (lambda avg: avg < 60): "F"
    }

    return grade_dict.get(point_avg)