names

'get names of two students and print longest name'

names = []
names.append(input('Name of first student? '))
names.append(input('Name of second student? '))

print('Name that is longest:')
if len(names[0]) > len(names[1]):
    print(f'First name, {names[0]}, is longer than second name, {names[1]}')
elif len(names[0]) < len(names[1]):
    print(f'Second name, {names[1]}, is longer than first name, {names[0]}')
else:
    print(f'First name, {names[0]}, and second name, {names[1]}, are same length')

'get names of two students and print names in alphabetic order'
names = []
name = input('Name of first student? ')
names.append((name, name.lower()))  # append original name and lowercase name
name = input('Name of second student? ')
names.append((name, name.lower()))

print('Names in alphabetical order:')
if names[0][1] <= names[1][1]:  # compare lowercase names
    print(names[0][0])  # print original names
    print(names[1][0])
else:
    print(names[1][0])
    print(names[0][0])

'alernative, works with longer list of names'
'sort list on lowercase name'
print('Names in alphabetical order:')
names.sort(key=lambda name: name[1])
for name, name_lower in names:
    print(name)

'print names that have an a in them'
print('Checking for letter a in names:')
for name, name_lower in names:
    if 'a' in name_lower:
        print(f'{name} contains an "a"')
    else:
        print(f'{name} does not contains an "a"')

'another way to do first exercise, print names in order of longest name'
names = []
name = input('Name of first student? ')
names.append((name, len(name)))
name = input('Name of second student? ')
names.append((name, len(name)))
names.sort(key=lambda name: name[1], reverse=True)  # sort on name length
print('Names, in name length order from largest:')
for name, length in names:
    print(f'{name} ({length})')