# Midterm 1
# CSCI 121
# Spring 2025

# Answers to PMT1a


"""

Problem 1(a)

3333
12
9
True
Error!

Problem 1(b)

17
11

Problem 1(c)

1 3
13
1
13 2
1 132
142
13
1

Problem 1(d)

[2, 1, 3]
[2, 1, 3]
[1, 2, 3]
[1, 2, 3]

"""

# Problem 2

total_miles = 0
total_gallons = 0

done = False
while not done:
    miles = int(input("Miles? "))
    if miles <= 0:
        done = True
    else:
        gallons = int(input("Gallons? "))
        total_miles += miles
        total_gallons += gallons
print(str(total_miles / total_gallons) + " MPG")


# Problem 3

def leap_year(year):
    if year < 1582:
        return False
    if year % 100 == 0 and year % 400 != 0:
        return False
    return (year % 4 == 0)


# Problem 4

def star_matrix(m):
    s = ""
    for row in m:
        for column in row:
            s += "*" * column + "." * (1-column)
        s += "\n"
    return s


# Problem 5

def has_digit(d,n):
    if n == 0:
        return d == 0
    while n > 0:
        if n % 10 == d:
            return True
        n = n // 10
    return False