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enumerate in Python

Buy Me a Coffee☕ *Memos: My post explains range(). My post explains zip(). enumerate() can create the iterable which has an iterable with the numbers incremented by 1 as shown below: *Memos: The 1st argument is iterable(Required-Type:iterable). The 2nd argument is start(Optional-Default:0-Type:int). The iterable cannot be directly accessed with index so use list() to access it with index. fruits = ["Apple", "Orange", "Banana", "Kiwi", "Lemon", "Mango"] print(enumerate(iterable=fruits)) print(enumerate(iterable=fruits, start=0)) # print(list(enumerate(iterable=fruits))) print(list(enumerate(iterable=fruits, start=0))) # [(0, 'Apple'), # (1, 'Orange'), # (2, 'Banana'), # (3, 'Kiwi'), # (4, 'Lemon'), # (5, 'Mango')] print(list(enumerate(iterable=fruits, start=7))) # [(7, 'Apple'), # (8, 'Orange'), # (9, 'Banana'), # (10, 'Kiwi'), # (11, 'Lemon'), # (12, 'Mango')] print(list(enumerate(iterable=fruits))[0]) print(list(enumerate(iterable=fruits, start=0))[0]) # (0, 'Apple') print(list(enumerate(iterable=fruits, start=7))[0]) # (7, 'Apple') print(enumerate(iterable=fruits)[0]) print(enumerate(iterable=fruits, start=0)[0]) print(enumerate(iterable=fruits, start=7)[0]) # Error i, f = list(enumerate(iterable=fruits))[0] i, f = list(enumerate(iterable=fruits, start=0))[0] print(i, f) # 0 Apple i, f = list(enumerate(iterable=fruits, start=7))[0] print(i, f) # 7 Apple for i, f in enumerate(iterable=fruits): for i, f in enumerate(iterable=fruits, start=0): print(i, f) # 0 Apple # 1 Orange # 2 Banana # 3 Kiwi # 4 Lemon # 5 Mango for i, f in enumerate(iterable=fruits, start=7): print(i, f) # 7 Apple # 8 Orange # 9 Banana # 10 Kiwi # 11 Lemon # 12 Mango fruits = ["Apple", "Orange", "Banana", "Kiwi", "Lemon", "Mango"] enum = enumerate print(list(enum(iterable=enum(iterable=fruits, start=7), start=-3))) # [(-3, (7, 'Apple')), # (-2, (8, 'Orange')), # (-1, (9, 'Banana')), # (0, (10, 'Kiwi')), # (1, (11, 'Lemon')), # (2, (12, 'Mango'))] print(list(enum(iterable=enum(iterable=fruits, start=7), start=-3))[0]) # (-3, (7, 'Apple')) i, jf = list(enum(iterable=enum(iterable=fruits, start=7), start=-3))[0] print(i, jf) # -3 (7, 'Apple') i, (j, f) = list(enum(iterable=enum(iterable=fruits, start=7), start=-3))[0] i, [j, f] = list(enum(iterable=enum(iterable=fruits, start=7), start=-3))[0] print(i, j, f) # -3 7 Apple for i, jf in enum(iterable=enum(iterable=fruits, start=7), start=-3): print(i, jf) # -3 (7, 'Apple') # -2 (8, 'Orange') # -1 (9, 'Banana') # 0 (10, 'Kiwi') # 1 (11, 'Lemon') # 2 (12, 'Mango') for i, (j, f) in enum(iterable=enum(iterable=fruits, start=7), start=-3): for i, [j, f] in enum(iterable=enum(iterable=fruits, start=7), start=-3): print(i, j, f) # -3 7 Apple # -2 8 Orange # -1 9 Banana # 0 10 Kiwi # 1 11 Lemon # 2 12 Mango fruits = ["Apple", "Orange", "Banana", "Kiwi", "Lemon", "Mango"] enum = enumerate print(list(enum(enum(enum(fruits, start=7), start=-3), start=4))) # [(4, (-3, (7, 'Apple'))), # (5, (-2, (8, 'Orange'))), # (6, (-1, (9, 'Banana'))), # (7, (0, (10, 'Kiwi'))), # (8, (1, (11, 'Lemon'))), # (9, (2, (12, 'Mango')))] print(list(enum(enum(enum(fruits, start=7), start=-3), start=4))[0]) # (4, (-3, (7, 'Apple'))) i, jkf = list(enum(enum(enum(fruits, start=7), start=-3), start=4))[0] print(i, jkf) # 4 (-3, (7, 'Apple')) i, (jk, f) = list(enum(enum(enum(fruits, start=7), start=-3), start=4))[0] i, [jk, f] = list(enum(enum(enum(fruits, start=7), start=-3), start=4))[0] print(i, jk, f) # 4 -3 (7, 'Apple') for i, jkf in enum(enum(enum(fruits, start=7), start=-3), start=4): print(i, jkf) # 4 (-3, (7, 'Apple')) # 5 (-2, (8, 'Orange')) # 6 (-1, (9, 'Banana')) # 7 (0, (10, 'Kiwi')) # 8 (1, (11, 'Lemon')) # 9 (2, (12, 'Mango')) for i, (j, kf) in enum(enum(enum(fruits, start=7), start=-3), start=4): for i, [j, kf] in enum(enum(enum(fruits, start=7), start=-3), start=4): print(i, j, kf) # 4 -3 (7, 'Apple') # 5 -2 (8, 'Orange') # 6 -1 (9, 'Banana') # 7 0 (10, 'Kiwi') # 8 1 (11, 'Lemon') # 9 2 (12, 'Mango') for i, (j, (k, f)) in enum(enum(enum(fruits, start=7), start=-3), start=4): for i, [j, [k, f]] in enum(enum(enum(fruits, start=7), start=-3), start=4): print(i, j, k, f) # 4 -3 7 Apple # 5 -2 8 Orange # 6 -1 9 Banana # 7 0 10 Kiwi # 8 1 11 Lemon # 9 2 12 Mango fruits = ["Apple", "Orange", "Banana", "Kiwi", "Lemon", "Mango"] print(list(zip(range(-6, 8, 3), enumerate(fruits, start=7)))) # [(-6, (7, 'Apple')), # (-3, (8, 'Orange')), # (0, (9, 'Banana')), # (3, (10, 'Kiwi')), # (6, (11, 'Lemon'))] print(list(zip(range(-6, 8, 3), enumerate(fruits, start=7)))[0]) # (-6, (7, 'Apple')) i, jf = list(zip(range(-6, 8, 3), enumerate(fruits, start=7)))[0] print(i, jf) # -6 (7, 'Apple') i, (j, f) = list(zip(range(-6, 8, 3), enumerate(fruits, start=7)))[0] i, [j, f] = list(zip(range(-6, 8, 3), enumerate(fruits, start=7)))[0] print(i, j, f) # -6 7 Apple for i, jf in zip(range(-6, 8, 3), enumerate(fruits, start=7

May 11, 2025 - 04:46
 0
enumerate in Python

Buy Me a Coffee☕

*Memos:

enumerate() can create the iterable which has an iterable with the numbers incremented by 1 as shown below:
*Memos:

  • The 1st argument is iterable(Required-Type:iterable).
  • The 2nd argument is start(Optional-Default:0-Type:int).
  • The iterable cannot be directly accessed with index so use list() to access it with index. 
fruits = ["Apple", "Orange", "Banana", "Kiwi", "Lemon", "Mango"]

print(enumerate(iterable=fruits))
print(enumerate(iterable=fruits, start=0))
# 

print(list(enumerate(iterable=fruits)))
print(list(enumerate(iterable=fruits, start=0)))
# [(0, 'Apple'),
#  (1, 'Orange'),
#  (2, 'Banana'),
#  (3, 'Kiwi'),
#  (4, 'Lemon'),
#  (5, 'Mango')]

print(list(enumerate(iterable=fruits, start=7)))
# [(7, 'Apple'),
#  (8, 'Orange'),
#  (9, 'Banana'),
#  (10, 'Kiwi'),
#  (11, 'Lemon'),
#  (12, 'Mango')]

print(list(enumerate(iterable=fruits))[0])
print(list(enumerate(iterable=fruits, start=0))[0])
# (0, 'Apple')

print(list(enumerate(iterable=fruits, start=7))[0])
# (7, 'Apple')

print(enumerate(iterable=fruits)[0])
print(enumerate(iterable=fruits, start=0)[0])
print(enumerate(iterable=fruits, start=7)[0])
# Error

i, f = list(enumerate(iterable=fruits))[0]
i, f = list(enumerate(iterable=fruits, start=0))[0]
print(i, f)
# 0 Apple

i, f = list(enumerate(iterable=fruits, start=7))[0]
print(i, f)
# 7 Apple

for i, f in enumerate(iterable=fruits):
for i, f in enumerate(iterable=fruits, start=0):
    print(i, f)
# 0 Apple
# 1 Orange
# 2 Banana
# 3 Kiwi
# 4 Lemon
# 5 Mango

for i, f in enumerate(iterable=fruits, start=7):
    print(i, f)
# 7 Apple
# 8 Orange
# 9 Banana
# 10 Kiwi
# 11 Lemon
# 12 Mango

fruits = ["Apple", "Orange", "Banana", "Kiwi", "Lemon", "Mango"]

enum = enumerate

print(list(enum(iterable=enum(iterable=fruits, start=7), start=-3)))
# [(-3, (7, 'Apple')),
#  (-2, (8, 'Orange')),
#  (-1, (9, 'Banana')),
#  (0, (10, 'Kiwi')),
#  (1, (11, 'Lemon')),
#  (2, (12, 'Mango'))]

print(list(enum(iterable=enum(iterable=fruits, start=7), start=-3))[0])
# (-3, (7, 'Apple'))

i, jf = list(enum(iterable=enum(iterable=fruits, start=7), start=-3))[0]
print(i, jf)
# -3 (7, 'Apple')

i, (j, f) = list(enum(iterable=enum(iterable=fruits, start=7), start=-3))[0]
i, [j, f] = list(enum(iterable=enum(iterable=fruits, start=7), start=-3))[0]
print(i, j, f)
# -3 7 Apple

for i, jf in enum(iterable=enum(iterable=fruits, start=7), start=-3):
    print(i, jf)
# -3 (7, 'Apple')
# -2 (8, 'Orange')
# -1 (9, 'Banana')
# 0 (10, 'Kiwi')
# 1 (11, 'Lemon')
# 2 (12, 'Mango')

for i, (j, f) in enum(iterable=enum(iterable=fruits, start=7), start=-3):
for i, [j, f] in enum(iterable=enum(iterable=fruits, start=7), start=-3):
    print(i, j, f)
# -3 7 Apple
# -2 8 Orange
# -1 9 Banana
# 0 10 Kiwi
# 1 11 Lemon
# 2 12 Mango

fruits = ["Apple", "Orange", "Banana", "Kiwi", "Lemon", "Mango"]

enum = enumerate

print(list(enum(enum(enum(fruits, start=7), start=-3), start=4)))
# [(4, (-3, (7, 'Apple'))),
#  (5, (-2, (8, 'Orange'))),
#  (6, (-1, (9, 'Banana'))),
#  (7, (0, (10, 'Kiwi'))),
#  (8, (1, (11, 'Lemon'))),
#  (9, (2, (12, 'Mango')))]

print(list(enum(enum(enum(fruits, start=7), start=-3), start=4))[0])
# (4, (-3, (7, 'Apple')))

i, jkf = list(enum(enum(enum(fruits, start=7), start=-3), start=4))[0]
print(i, jkf)
# 4 (-3, (7, 'Apple'))

i, (jk, f) = list(enum(enum(enum(fruits, start=7), start=-3), start=4))[0]
i, [jk, f] = list(enum(enum(enum(fruits, start=7), start=-3), start=4))[0]
print(i, jk, f)
# 4 -3 (7, 'Apple')

for i, jkf in enum(enum(enum(fruits, start=7), start=-3), start=4):
    print(i, jkf)
# 4 (-3, (7, 'Apple'))
# 5 (-2, (8, 'Orange'))
# 6 (-1, (9, 'Banana'))
# 7 (0, (10, 'Kiwi'))
# 8 (1, (11, 'Lemon'))
# 9 (2, (12, 'Mango'))

for i, (j, kf) in enum(enum(enum(fruits, start=7), start=-3), start=4):
for i, [j, kf] in enum(enum(enum(fruits, start=7), start=-3), start=4):
    print(i, j, kf)
# 4 -3 (7, 'Apple')
# 5 -2 (8, 'Orange')
# 6 -1 (9, 'Banana')
# 7 0 (10, 'Kiwi')
# 8 1 (11, 'Lemon')
# 9 2 (12, 'Mango')

for i, (j, (k, f)) in enum(enum(enum(fruits, start=7), start=-3), start=4):
for i, [j, [k, f]] in enum(enum(enum(fruits, start=7), start=-3), start=4):
    print(i, j, k, f)
# 4 -3 7 Apple
# 5 -2 8 Orange
# 6 -1 9 Banana
# 7 0 10 Kiwi
# 8 1 11 Lemon
# 9 2 12 Mango

fruits = ["Apple", "Orange", "Banana", "Kiwi", "Lemon", "Mango"]

print(list(zip(range(-6, 8, 3), enumerate(fruits, start=7))))
# [(-6, (7, 'Apple')),
#  (-3, (8, 'Orange')),
#  (0, (9, 'Banana')),
#  (3, (10, 'Kiwi')),
#  (6, (11, 'Lemon'))]

print(list(zip(range(-6, 8, 3), enumerate(fruits, start=7)))[0])
# (-6, (7, 'Apple'))

i, jf = list(zip(range(-6, 8, 3), enumerate(fruits, start=7)))[0]
print(i, jf)
# -6 (7, 'Apple')

i, (j, f) = list(zip(range(-6, 8, 3), enumerate(fruits, start=7)))[0]
i, [j, f] = list(zip(range(-6, 8, 3), enumerate(fruits, start=7)))[0]
print(i, j, f)
# -6 7 Apple

for i, jf in zip(range(-6, 8, 3), enumerate(fruits, start=7)):
    print(i, jf)
# -6 (7, 'Apple')
# -3 (8, 'Orange')
# 0 (9, 'Banana')
# 3 (10, 'Kiwi')
# 6 (11, 'Lemon')

for i, (j, f) in zip(range(-6, 8, 3), enumerate(fruits, start=7)):
for i, [j, f] in zip(range(-6, 8, 3), enumerate(fruits, start=7)):
    print(i, j, f)
# -6 7 Apple
# -3 8 Orange
# 0 9 Banana
# 3 10 Kiwi
# 6 11 Lemon
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