micropython/tests/basics/list_mult.py

# basic multiplication
print([0] * 5)

# check negative, 0, positive; lhs and rhs multiplication
for i in (-4, -2, 0, 2, 4):
    print(i * [1, 2])
    print([1, 2] * i)

# check that we don't modify existing list
a = [1, 2, 3]
c = a * 3
print(a, c)

# unsupported type on RHS
try:
    [] * None
except TypeError:
    print('TypeError')
py: Fix mult by negative number of tuple, list, str, bytes. Multiplication of a tuple, list, str or bytes now yields an empty sequence (instead of crashing). Addresses issue #799 Also added ability to mult bytes on LHS by integer. 2014-08-13 06:22:24 -06:00			`# basic multiplication`
list: Implement list multiplication. 2014-01-10 09:12:25 -07:00			`print([0] * 5)`
py: Fix mult by negative number of tuple, list, str, bytes. Multiplication of a tuple, list, str or bytes now yields an empty sequence (instead of crashing). Addresses issue #799 Also added ability to mult bytes on LHS by integer. 2014-08-13 06:22:24 -06:00
			`# check negative, 0, positive; lhs and rhs multiplication`
			`for i in (-4, -2, 0, 2, 4):`
			`print(i * [1, 2])`
			`print([1, 2] * i)`

			`# check that we don't modify existing list`
list: Implement list multiplication. 2014-01-10 09:12:25 -07:00			`a = [1, 2, 3]`
			`c = a * 3`
py: Fix mult by negative number of tuple, list, str, bytes. Multiplication of a tuple, list, str or bytes now yields an empty sequence (instead of crashing). Addresses issue #799 Also added ability to mult bytes on LHS by integer. 2014-08-13 06:22:24 -06:00			`print(a, c)`
tests/basics: Add more list tests to improve coverage testing. 2016-08-14 18:46:35 -06:00
			`# unsupported type on RHS`
			`try:`
			`[] * None`
			`except TypeError:`
			`print('TypeError')`