def main():
# Create a two-dimensional list.
values = [[0, 0],
[0, 0],
[0, 0],
[0, 0],
[0, 0],
[0, 0],
[0, 0],
[0, 0],
[0, 0],
[0, 0],
[0, 0],
[0, 0]]
choice = 0
while choice != QUIT_CHOICE:
display_menu()
# Get user's choice.
choice = int(input('Enter a number from the menu (from 1 to 6): '))
if choice == MILES_TO_KILOMETERS_CHOICE:
# Fill the table with values.
miles = 0
for r in range(ROWS):
values[r][0] = miles
values[r][1] = my_conversions.convert_kilometers(miles)
# Print the list.
print('Miles', '\tKilometers')
print('-----------------------')
for r in range(ROWS):
print(miles, ' \t', format(my_conversions.convert_kilometers(miles), '.2f'))
miles += 10
elif choice == FAHRENHEIT_TO_CELSIUS_CHOICE:
# Fill the table with values.
fahrenheit = - 10
for r in range(ROWS):
values[r][0] = fahrenheit
values[r][1] = my_conversions.convert_celsius(fahrenheit)
# Print the list.
print('Fahrenheit', '\tCelsius')
print('-----------------------')
for r in range(ROWS):
print(fahrenheit, ' \t', format(my_conversions.convert_celsius(fahrenheit), '.2f'))
fahrenheit += 10
elif choice == GALLONS_TO_LITERS_CHOICE:
# Fill the table with values.
gallons = 0
for r in range(ROWS):
values[r][0] = gallons
values[r][1] = my_conversions.convert_liters(gallons)
# Print the list.
print('Gallons', '\tLiters')
print('-----------------------')
for r in range(ROWS):
print(gallons, ' \t', format(my_conversions.convert_liters(gallons), '.2f'))
gallons += 10
elif choice == POUNDS_TO_KILOGRAMS_CHOICE:
# Fill the table with values.
pounds = 0
for r in range(ROWS):
values[r][0] = pounds
values[r][1] = my_conversions.convert_kilograms(pounds)
# Print the list.
print('Pounds', '\tKilograms')
print('-----------------------')
for r in range(ROWS):
print(pounds, ' \t', format(my_conversions.convert_kilograms(pounds), '.2f'))
pounds += 10
elif choice == INCHES_TO_CENTIMETERS_CHOICE:
inches = 0
for r in range(ROWS):
values[r][0] = inches
values[r][1] = my_conversions.convert_centimeters(inches)
# Print the list.
print('Inches', '\tCentimeters')
print('--------------------------')
for r in range(ROWS):
print(inches, ' \t', format(my_conversions.convert_centimeters(inches), '.2f'))
inches += 10
def main():
# Open a file.
conversions = open('Conversions.txt', 'w')
conversions.write('Here are some conversions:\n')
conversions.write('-----------------------------------\n')
print("This program converts units.")
print("You will enter a number to get your desired output.")
choice = 0
while choice != QUIT_CHOICE:
display_menu()
# Get user's choice.
try:
choice = int(input('Enter a number from the menu (from 1 to 6): '))
choice != range(1, 7)
except ValueError:
print('Please enter the menu options only!')
if choice == MILES_TO_KILOMETERS_CHOICE:
# Perform conversions 10 times for each choice made.
for count in range(0, choice + 10):
try:
miles = float(input('Enter miles: '))
kilometers = my_conversions.convert_kilometers(miles)
if miles < 0:
print('Please enter a number greater than zero!')
else:
print('For', miles, 'miles, there are', format(kilometers, '.2f'),
'kilometers')
# Write to the file.
conversions.write(
'miles: ' + str(miles) + ' kilometers: ' + str(kilometers) + '\n')
except ValueError:
print('Please enter a number greater than zero!')
print("Invalid input. Please enter numbers only.")
elif choice == FAHRENHEIT_TO_CELSIUS_CHOICE:
choice = 0
for count in range(0, choice + 10):
try:
fahrenheit = float(input('Enter temp: '))
celsius = my_conversions.convert_celsius(fahrenheit)
if fahrenheit > 1000:
print('Enter a number below 1000!')
else:
print('Your new temp is',
format(my_conversions.convert_celsius(fahrenheit), '.2f'),
"celsius.")
# Write to the file.
conversions.write('fahrenheit: ' + str(fahrenheit) + ' celsius: ' + str(celsius) + '\n')
except ValueError:
print("Invalid input. Please enter numbers only.")
elif choice == GALLONS_TO_LITERS_CHOICE:
choice = 0
for count in range(0, choice + 10):
try:
gallons = int(input('Enter a number of gallons: '))
liters = my_conversions.convert_liters(gallons)
if gallons < 0:
print('Enter a number greater than zero!')
else:
print('The number of gallons is equal to',
format(my_conversions.convert_liters(gallons), '.2f'), "liters.")
# Write to the file.
conversions.write('gallons: ' + str(gallons) + ' liters: ' + str(liters) + '\n')
except ValueError:
print("Invalid input. Please enter numbers only.")
elif choice == POUNDS_TO_KILOGRAMS_CHOICE:
choice = 0
for count in range(0, choice + 10):
try:
pounds = int(input('Enter a number of pounds: '))
kilograms = my_conversions.convert_kilograms(pounds)
if pounds < 0:
print('Please enter a number greater than zero!')
else:
print('The number of liters is equal to',
format(my_conversions.convert_kilograms(pounds), '.2f'),
'kilograms.')
# Write to the file.
conversions.write('pounds: ' + str(pounds) + ' kilograms: ' + str(kilograms) + '\n')
except ValueError:
print('Value entered must be greater than zero!')
elif choice == INCHES_TO_CENTIMETERS_CHOICE:
choice = 0
for count in range(0, choice + 10):
try:
inches = int(input('Enter a number of inches: '))
centimeters = my_conversions.convert_centimeters(inches)
if inches < 0:
print('Please enter a number greater than zero!')
else:
print('The number of inches is equal to',
format(my_conversions.convert_centimeters(inches), '.2f'),
'centimeters.')
# Write to the file.
conversions.write('inches: ' + str(inches) + ' centimeters: ' + str(centimeters) + '\n')
except ValueError:
print("Invalid input. Please enter numbers only.")
elif choice == QUIT_CHOICE:
print('Goodbye!')
else:
print('Error! Invalid input.')
conversions.close()