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*Memos:
- explains .
- explains .
- explains variable assignment.
- explains iterable unpacking in variable assignment.
- explains * for iterable unpacking in variable assignment.
- explains [] and () for variables in variable assignment.
- explains [] and () for variables in for statement.
can create the iterable which has zero or more iterables as shown below:
*Memos:
- The 1st or more arguments are *iterables(Optional-Type:iterable). *Don't use any keyword like *iterables, iterables, iterable, etc.
- The iterable stops when the shortest input iterable is exhausted.
- The iterable cannot be directly accessed with index so use to access it with index.
fruits = ["Apple", "Orange", "Banana", "Kiwi", "Lemon", "Mango"]
meats = ["Chicken", "Beef", "Pork", "Duck", "Mutton"]
vegetables = ["Onion", "Carrot", "Garlic", "Spinach", "Eggplant"]
print(zip())
# <zip object at 0x7eace0bead00>
print(zip(fruits, meats, vegetables))
# <zip object at 0x7da5876aaa40>
print(list(zip(fruits, meats, vegetables)))
# [('Apple', 'Chicken', 'Onion'),
# ('Orange', 'Beef', 'Carrot'),
# ('Banana', 'Pork', 'Garlic'),
# ('Kiwi', 'Duck', 'Spinach'),
# ('Lemon', 'Mutton', 'Eggplant')]
print(list(zip(fruits, meats, vegetables))[0])
# ('Apple', 'Chicken', 'Onion')
print(zip(fruits, meats, vegetables)[0])
# Error
f, m, v = list(zip(fruits, meats, vegetables))[0]
print(f, m, v)
# Apple Chicken Onion
for f, m, v in zip(fruits, meats, vegetables):
print(f, m, v)
# Apple Chicken Onion
# Orange Beef Carrot
# Banana Pork Garlic
# Kiwi Duck Spinach
# Lemon Mutton Eggplant
fruits = ["Apple", "Orange", "Banana", "Kiwi", "Lemon", "Mango"]
meats = ["Chicken", "Beef", "Pork", "Duck", "Mutton"]
vegetables = ["Onion", "Carrot", "Garlic", "Spinach", "Eggplant"]
print(list(zip(zip(fruits, meats), vegetables)))
# [(('Apple', 'Chicken'), 'Onion'),
# (('Orange', 'Beef'), 'Carrot'),
# (('Banana', 'Pork'), 'Garlic'),
# (('Kiwi', 'Duck'), 'Spinach'),
# (('Lemon', 'Mutton'), 'Eggplant')]
print(list(zip(zip(fruits, meats), vegetables))[0])
# (('Apple', 'Chicken'), 'Onion')
fm, v = list(zip(zip(fruits, meats), vegetables))[0]
print(fm, v)
# ('Apple', 'Chicken') Onion
(f, m), v = list(zip(zip(fruits, meats), vegetables))[0]
[f, m], v = list(zip(zip(fruits, meats), vegetables))[0]
print(f, m, v)
# Apple Chicken Onion
for fm, v in zip(zip(fruits, meats), vegetables):
print(fm, v)
# ('Apple', 'Chicken') Onion
# ('Orange', 'Beef') Carrot
# ('Banana', 'Pork') Garlic
# ('Kiwi', 'Duck') Spinach
# ('Lemon', 'Mutton') Eggplant
for (f, m), v in zip(zip(fruits, meats), vegetables):
for [f, m], v in zip(zip(fruits, meats), vegetables):
print(f, m, v)
# Apple Chicken Onion
# Orange Beef Carrot
# Banana Pork Garlic
# Kiwi Duck Spinach
# Lemon Mutton Eggplant
fruits = ["Apple", "Orange", "Banana", "Kiwi", "Lemon", "Mango"]
meats = ["Chicken", "Beef", "Pork", "Duck", "Mutton"]
vegetables = ["Onion", "Carrot", "Garlic", "Spinach", "Eggplant"]
print(list(zip(zip(fruits, zip(meats)), vegetables)))
# [(('Apple', ('Chicken',)), 'Onion'),
# (('Orange', ('Beef',)), 'Carrot'),
# (('Banana', ('Pork',)), 'Garlic'),
# (('Kiwi', ('Duck',)), 'Spinach'),
# (('Lemon', ('Mutton',)), 'Eggplant')]
print(list(zip(zip(fruits, zip(meats)), vegetables))[0])
# (('Apple', ('Chicken',)), 'Onion')
fm, v = list(zip(zip(fruits, zip(meats)), vegetables))[0]
print(fm, v)
# ('Apple', ('Chicken',)) Onion
(f, m), v = list(zip(zip(fruits, zip(meats)), vegetables))[0]
[f, m], v = list(zip(zip(fruits, zip(meats)), vegetables))[0]
print(f, m, v)
# Apple ('Chicken',) Onion
(f, (m,)), v = list(zip(zip(fruits, zip(meats)), vegetables))[0]
[f, [m]], v = list(zip(zip(fruits, zip(meats)), vegetables))[0]
print(f, m, v)
# Apple Chicken Onion
for fm, v in zip(zip(fruits, zip(meats)), vegetables):
print(fm, v)
# ('Apple', ('Chicken',)) Onion
# ('Orange', ('Beef',)) Carrot
# ('Banana', ('Pork',)) Garlic
# ('Kiwi', ('Duck',)) Spinach
# ('Lemon', ('Mutton',)) Eggplant
for (f, m), v in zip(zip(fruits, zip(meats)), vegetables):
for [f, m], v in zip(zip(fruits, zip(meats)), vegetables):
print(f, m, v)
# Apple ('Chicken',) Onion
# Orange ('Beef',) Carrot
# Banana ('Pork',) Garlic
# Kiwi ('Duck',) Spinach
# Lemon ('Mutton',) Eggplant
for (f, (m,)), v in zip(zip(fruits, zip(meats)), vegetables):
for [f, [m]], v in zip(zip(fruits, zip(meats)), vegetables):
print(f, m, v)
# Apple Chicken Onion
# Orange Beef Carrot
# Banana Pork Garlic
# Kiwi Duck Spinach
# Lemon Mutton Eggplant
fruits = ["Apple", "Orange", "Banana", "Kiwi", "Lemon", "Mango"]
print(list(enumerate(zip(range(-6, 8, 3), fruits), start=-2)))
# [(-2, (-6, 'Apple')),
# (-1, (-3, 'Orange')),
# (0, (0, 'Banana')),
# (1, (3, 'Kiwi')),
# (2, (6, 'Lemon'))]
print(list(enumerate(zip(range(-6, 8, 3), fruits), start=-2))[0])
# (-2, (-6, 'Apple'))
i, jf = list(enumerate(zip(range(-6, 8, 3), fruits), start=-2))[0]
print(i, jf)
# -2 (-6, 'Apple')
i, (j, f) = list(enumerate(zip(range(-6, 8, 3), fruits), start=-2))[0]
i, [j, f] = list(enumerate(zip(range(-6, 8, 3), fruits), start=-2))[0]
print(i, j, f)
# -2 -6 Apple
for i, jf in enumerate(zip(range(-6, 8, 3), fruits), start=-2):
print(i, jf)
# -2 (-6, 'Apple')
# -1 (-3, 'Orange')
# 0 (0, 'Banana')
# 1 (3, 'Kiwi')
# 2 (6, 'Lemon')
for i, (j, f) in enumerate(zip(range(-6, 8, 3), fruits), start=-2):
for i, [j, f] in enumerate(zip(range(-6, 8, 3), fruits), start=-2):
print(i, j, f)
# -2 -6 Apple
# -1 -3 Orange
# 0 0 Banana
# 1 3 Kiwi
# 2 6 Lemon