def Power(num,exponent):
if num > -1e-7 and num < 1e-7:
return 0
if exponent == 0:
return 1
ex1 = abs(exponent)
result = 1.0
for i in range(ex1):
result *= num
if exponent > 0:
return result
else:
return 1/result
# print(Power(2,-2))