mis3640/practice2.py at master · alastairng/mis3640 · GitHub

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# Question 1:

# """


# def crazy_about_9(a, b):
#     """
#     a, b: two integers

#     Returns True if either one is 9, or if their sum or difference is 9.
#     """
#     return a == 9 or b == 9 or a + b == 9 or abs(a - b) == 9

# # When you've completed your function, uncomment the
# # following lines and run this file to test!

# print(crazy_about_9(2, 9))
# print(crazy_about_9(4, 5))
# print(crazy_about_9(3, 8))


# """
# -----------------------------------------------------------------------
# Question 2:

# A year with 366 days is called a leap year. Leap years are necessary to
# keep the calendar synchronized with the sun because the earth revolves
# around the sun once every 365.25 days. Actually, that figure is not
# entirely precise, and for all dates after 1582 the Gregorian correction
# applies. Usually years that are divisible by 4 are leap years, for
# example 1996. However, years that are divisible by 100 (for example,
# 1900) are not leap years, but years that are divisible by 400 are leap
# years (for example, 2000).
# """


# def leap_year(year):
#     """
#     year(int): a year

#     Returns True if year is a leap_year, False if year is not a leap_year.
#     """
#     if year % 4 != 0 or year % 100 == 0 and year > 1582 and year % 400 != 0:
#         return False
#     else:
#         return True

#     # When you've completed your function, uncomment the
#     # following lines and run this file to test!

# print(leap_year(1900))
# print(leap_year(2016))
# print(leap_year(2017))
# print(leap_year(2000))


# """
# -----------------------------------------------------------------------
# Question 3:

# Write a function with loops that computes The sum of all squares between
# 1 and n (inclusive).

# """


# def sum_squares(n):
#     result = 0
#     for x in range(n + 1):
#         result += x * x
#     return result

# # When you've completed your function, uncomment the
# # following lines and run this file to test!

# print(sum_squares(1))
# print(sum_squares(100))

# age = 20
# if age >= 6:
#     print('teenager')
# elif age >= 18:
#     print('adult')
# else:
#     print('kid')

# iteration = 0
# count = 0
# while iteration < 5:
#     # the variable 'letter' in the loop stands for every
#     # character, including spaces and commas!
#     for letter in "hello, world":
#         count += 1
#     print("Iteration " + str(iteration) + "; count is: " + str(count))
#     iteration += 1

while True:
    line = input('> ')
    if line == 'done':
        break
    print(line)

print('Done!')