+二分法求平方根

x = float(raw_input('Enter the number')) low = 0 high = x guess = (low + high ) / 2 if x < 0:print 'Number Error' while abs(guess**2 - x) > 1e-5:if guess**2 < x:low = guesselse:high = guess guess = (low + high) / 2 print 'The root of is',guess

+素數
前50個

import mathcount = 0num = 2while count < 50:for i in range(2,int(math.sqrt(num)) + 1):if num % i == 0:breakelse:print x,'is a prime!'count += 1num += 1

+回文數

num = 12321 num_p = 0 num_temp = numwhile num != 0:num_p = num_p * 10 + num % 10num /= 10if num_temp == num_p:print 'OK' else:print 'NO'

轉載于:https://www.cnblogs.com/OceanF/p/10773239.html

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