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ybv/misc

Last active August 29, 2015 14:07
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misc
'''
python roundup
131 -> 200
999 -> 1000
'''
def roundUp(num):
val = (int(str(num)[0])+1)*pow(10,len(str(num))-1)
'''
python sqrt
49 -> 7.00000014127
10 -> 3.16227766518
'''
def sqroot(num,guess=1):
while not abs(guess*guess-num) < 0.001:
guess = (guess + (num/guess))/2.0
return guess
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