get range of items of python list
names = ['Alice', 'Bob', 'Tom', 'Grace']
names[1:3]
# Output:
# ['Bob', 'Tom']get range of items of python list
names = ['Alice', 'Bob', 'Tom', 'Grace']
names[1:3]
# Output:
# ['Bob', 'Tom']python detect ranges in list
def detect_range(input_list):
start = None
length = 0
for elem in input_list:
# First element
if start is None:
start = elem
length = 1
continue
# Element in row, just count up
if elem == start + length:
length += 1
continue
# Otherwise, yield
if length == 1:
yield start
else:
yield (start, start+length)
start = elem
length = 1
if length == 1:
yield start
else:
yield (start, start+length)
print(list(detect_range(a)))Copyright © 2021 Codeinu
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