List Comprehensions
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# List comprehensions provide a concise way to create lists without resorting to use
# of map(), filter() and/or lambda.
freshfruit = [' banana', ' loganberry ', 'passion fruit ']
print [weapon.strip() for weapon in freshfruit]
vec = [2, 4, 6]
print [3*x for x in vec]
print [3*x for x in vec if x > 3]
print [3*x for x in vec if x < 2]
print [[x,x**2] for x in vec]
print [(x, x**2) for x in vec]
vec1 = [2, 4, 6]
vec2 = [4, 3, -9]
print [x*y for x in vec1 for y in vec2]
print [x+y for x in vec1 for y in vec2]
print [vec1[i]*vec2[i] for i in range(len(vec1))]
print [str(round(355/113.0, i)) for i in range(1,6)]
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