circuitpython/tests/basics/list_slice_assign.py

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# test slices; only 2 argument version supported by MicroPython at the moment
x = list(range(10))
# Assignment
l = list(x)
l[1:3] = [10, 20]
print(l)
l = list(x)
l[1:3] = [10]
print(l)
l = list(x)
l[1:3] = []
print(l)
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l = list(x)
del l[1:3]
print(l)
l = list(x)
l[:3] = [10, 20]
print(l)
l = list(x)
l[:3] = []
print(l)
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l = list(x)
del l[:3]
print(l)
l = list(x)
l[:-3] = [10, 20]
print(l)
l = list(x)
l[:-3] = []
print(l)
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l = list(x)
del l[:-3]
print(l)
# assign a tuple
l = [1, 2, 3]
l[0:1] = (10, 11, 12)
print(l)
# RHS of slice must be an iterable
try:
[][0:1] = 123
except TypeError:
print('TypeError')