def add_time1(time1, time2):
"""
Returns the sum of time1 and time2 as a new Time object
DO NOT ALTER time1 or time2, even though they are mutable
Examples:
The sum of 12hr 13min and 13hr 12min is 25hr 25min
The sum of 1hr 59min and 3hr 2min is 4hr 1min
Parameter time1: the starting time
Precondition: time1 is a Time object
Parameter time2: the time to add
Precondition: time2 is a Time object
"""
a = clock.Time(time1.hours, time1.minutes)
b = clock.Time(time2.hours, time2.minutes)
sum_hours = a.hours + b.hours
sum_minutes = a.minutes + b.minutes
if sum_minutes > 60:
sum_minutes = sum_minutes - 60
sum_hours = sum_hours + 1
return clock.Time(sum_hours,sum_minutes)
def test_add_time1():
"""
Test procedure for the function add_time1()
"""
print('Testing add_time1()')
# TEST 1: Sum 12hr 13min and 13hr 12min
time1 = clock.Time(12, 13)
time2 = clock.Time(13, 12)
result = funcs.add_time1(time1, time2)
introcs.assert_equals(clock.Time, type(result))
introcs.assert_equals(25, result.hours)
introcs.assert_equals(25, result.minutes)
# Verify no objects were modified
introcs.assert_equals(12, time1.hours)
introcs.assert_equals(13, time1.minutes)
introcs.assert_equals(13, time2.hours)
introcs.assert_equals(12, time2.minutes)
# TEST 2: Sum 1hr 59min and 1hr 2min
time1 = clock.Time(1, 59)
time2 = clock.Time(3, 2)
result = funcs.add_time1(time1, time2)
introcs.assert_equals(clock.Time, type(result))
introcs.assert_equals(5, result.hours)
introcs.assert_equals(1, result.minutes)
# Verify no objects were modified
introcs.assert_equals(1, time1.hours)
introcs.assert_equals(59, time1.minutes)
introcs.assert_equals(3, time2.hours)
introcs.assert_equals(2, time2.minutes)
# TEST 3: Sum 1hr 15min and 0hr 0min
time1 = clock.Time(1, 15)
time2 = clock.Time(0, 0)
result = funcs.add_time1(time1, time2)
introcs.assert_equals(clock.Time, type(result))
introcs.assert_equals(1, result.hours)
introcs.assert_equals(15, result.minutes)
# Verify no objects were modified
introcs.assert_equals(1, time1.hours)
introcs.assert_equals(15, time1.minutes)
introcs.assert_equals(0, time2.hours)
introcs.assert_equals(0, time2.minutes)
def test_add_time2():
"""
Test procedure for the function add_time2()
"""
print('Testing add_time2()')
# TEST 1: Sum 12hr 13min and 13hr 12min
time1 = clock.Time(12, 13)
time2 = clock.Time(13, 12)
# Verify that nothing is returned
result = funcs.add_time2(time1, time2)
introcs.assert_equals(None, result)
# Verify time1 is changed, but time2 is not
introcs.assert_equals(25, time1.hours)
introcs.assert_equals(25, time1.minutes)
introcs.assert_equals(13, time2.hours)
introcs.assert_equals(12, time2.minutes)
# TEST 2: Sum 1hr 59min and 1hr 2min
time1 = clock.Time(1, 59)
time2 = clock.Time(3, 2)
# Verify that nothing is returned
result = funcs.add_time2(time1, time2)
introcs.assert_equals(None, result)
# Verify time1 is changed, but time2 is not
introcs.assert_equals(5, time1.hours)
introcs.assert_equals(1, time1.minutes)
introcs.assert_equals(3, time2.hours)
introcs.assert_equals(2, time2.minutes)
# TEST 3: Sum 1hr 15min and 0hr 0min
time1 = clock.Time(1, 15)
time2 = clock.Time(0, 0)
# Verify that nothing is returned
result = funcs.add_time2(time1, time2)
introcs.assert_equals(None, result)
# Verify that objects are correct
introcs.assert_equals(1, time1.hours)
introcs.assert_equals(15, time1.minutes)
introcs.assert_equals(0, time2.hours)
introcs.assert_equals(0, time2.minutes)
#!/usr/bin/env python3 # -*- coding: utf-8 -*- """ Created on Mon Apr 27 14:45:11 2020 @author: devinpowers """ import clock A = clock.Time(12, 25, 30) print(A) print(repr(A)) print(str(A)) print() B = clock.Time(2, 25, 3) print(B) print(repr(B)) print(str(B)) print() C = clock.Time(2, 25) print(C) print(repr(C)) print(str(C)) print()
import clock help(clock.Time) A = clock.Time() A print(A) A = clock.Time(10, 40, 30) print(A)
import clock help(clock) help(clock.Time) A = clock.Time(1, 2, 43) print(A)
import clock
A = clock.Time()
A.from_str('12:45:30')
print(A.__str__())
print(A.__repr__())
import clock
#creating an object of Time
#by passing three params
#it will invoke the __init__
print "calling __init__ function member\n"
A = clock.Time(23, 23, 12)
#printing the time by
#calling the __repr__
print "calling __repr__ function member"
print repr(A)
#setting new time by
#calling the from_str
#by passing one param
print "\ncalling from_str function member"
A.from_str("12:23:45")
#finally calling the __str__
#it will invoke inplicitly
#on object
print "\ncalling __str__ function member"
print A
#hence all four defined in clock.py
#getting called