# your code goes hprint(-1)
print(0)
print(1) # int
print(1.1) # float
print('1+1', 1+1)
print('2-1', 2-1)
print('2*2', 2*2)
print('4/2', 4/2)
import math
print('math.sqrt(4)', math.sqrt(4))
print('math.pow(4,2)', math.pow(4,2))
import random
print('random.random()',random.random())
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