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range(4) # [0, 1, 2, 3] 0 through 4, excluding 4
range(1, 4) # [1, 2, 3] 1 through 4, excluding 4
range(1, 10, 2) # [1, 3, 5, 7, 9] 1 through 10, counting by 2s
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#this is the range() function
for a in range(7,1,-2): # range(start, stop, step)
#here 7 is maximum possible number
print(a, end=", ") #1 is minimum possible number but won't be included
# -2 is common diffrence between them
output:
7, 5, 3,
+-+--++-+-+-+-+-+-+--++-+--+-++-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+--+
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range(start:optional, stop:required, step:optional)
A built-in python function to create a sequence of integers.
range(10) #[0 to 9]
range[2,9] #start 2 and stop 10
print(list(range(10))) #change create range object into list.
range(1,100,10)
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>>> list(range(10))
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
>>> list(range(1, 11))
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
>>> list(range(0, 30, 5))
[0, 5, 10, 15, 20, 25]
>>> list(range(0, 10, 3))
[0, 3, 6, 9]
>>> list(range(0, -10, -1))
[0, -1, -2, -3, -4, -5, -6, -7, -8, -9]
>>> list(range(0))
[]
>>> list(range(1, 0))
[]
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numbers = range(5)
numbers = list(numbers)
print(numbers)
# Output: [0, 1, 2, 3, 4]