#!/usr/bin/env python def check_id(myInput): import string import keyword alphas = string.letters + '_' nums = string.digits alphanums = alphas + nums key = keyword.kwlist str_length = len(myInput) if str_length == 0: print 'WRONG: zero-lengthed string("%s").'%(myInput) elif myInput[0] not in alphas: print '''invalid: first symbol must be alphabetic''' elif myInput in key: print '''invalid :Input cannot be a keyword''' else: for otherChar in myInput[1:]: if otherChar not in alphanums: print '''invalid: remaining symbols must be alphanumertic''' break else: print '%s is logal identifier.' % (myInput) if __name__ == '__main__': while True: myInput = raw_input('Identifier to test?') check_id(myInput)
s = raw_input('please enter a serial of numbers,using SPACE to seperate: \n') import string alphas = string.digits + " " for eachs in s: if eachs not in alphas: print 'you may have entered non-digit character.' break a = s.strip() s_input = a.split(" ") num = [] for i in s_input: num.append(int(i)) num.sort() num.reverse() print 'Sorted result(Big-->Small): ', for t in num: print t, print print 'acording the directory to get result: ', for i,j in enumerate(num): print (i,j),
ng.*strip()函數那本練習就沒有意義了)python
#!/usr/bin/env python s = raw_input('please enter a string : ') print 'the strip of string is :', import string alpha = ' ' + string.letters st = [] for c in s : if c not in alpha: print 'Error:you may have entered non-string' exit(0) break l = len(s) i = 0 while i < l: if s[i] == ' ': i += 1 else: break s = s[i:] l = len(s) - 1 while l > 0: if s[l] == ' ': l -= 1 else: break s = s[:l+1] print s
#!/usr/bin/env python num_str = raw_input('Enter a number: ') num_num = int(num_str) fac_list = range(1, num_num+1) print "BEFORE:", fac_list set_fac = set(fac_list) i = 0 while i < len(fac_list): if num_num % fac_list[i] == 0: del fac_list[i] else: i = i + 1 print "AFTER:"+str(fac_list) print "Factors of %d are: "%num_num, str(list(set_fac-set(fac_list)))
#!/usr/bin/env python #_*_ coding:utf-8 _*_ alpha = ['one','two','three','forth','five','six','seven','eight','nine','ten','eleven','twelve','thirteen','fourteen',\ 'fifteen','sixteen','seventeen','eighteen','nineteen','twenty',''] tendigits = ['twenty','thirty','forty','fifty','sixty','eighty','ninety',''] s_num = raw_input("enter a number: ") s = int(s_num) if s < 0: print 'Error:you may have entered a minus.' elif s <= 20: print alpha[s - 1] elif s < 100: i = s / 10 j = s - i * 10 print tendigits[i - 2]+'-'+alpha[j - 1] elif s <1000: a = s / 100 b = (s - a * 100) / 10 c = s - a * 100 - b * 10 if b == 0 and c ==0: print alpha[a - 1]+' hundred' elif b == 0 and c != 0: print alpha[a-1]+' hundred'+' and '+alpha[c-1] elif b != 0 and c == 0: print alpha[a-1] + tendigits[b-2] else: print alpha[a - 1]+' hundred'+' and '+tendigits[b - 2]+'-'+alpha[c - 1] elif s == 1000: print 'one thousand'
#!/usr/bin/env python #_*_ coding: utf-8 _*_ def reverseletters(): str_input = raw_input('Input a string : ') #str_input.upper() #str_input.lower() print str_input.swapcase() if __name__ =='__main__': reverseletters()
#!/usr/bin/env python #_*_ coding : utf-8 _*_ def findchr(string,char): i = 0 l = len(string) if char not in string: print -1 else: while i < l: if string[i] == char: print i, i += 1 if __name__ == '__main__': string = raw_input("please input a string :") char = raw_input('a char:') findchr(string,char)
#! /usr/bin/env python #_*_ coding : utf-8 _*_ def rfindchar(): str_input = raw_input('please enter a string :') str_char = raw_input('please enter a char :') l = len(str_input) i = -1 for a in range(i,-l-1,-1): while i >= -l: if str_input[a] == str_char: print a+l
#! /usr/bin/env python #_*_ coding:utf-8 _*_ def subchar(string, origchar, newchar): l = len(string) i = 0 while i < l: if string[i] == origchar: string = string[:i]+newchar+string[i+1:] i += 1 print string if __name__ == '__main__': string = raw_input('please enter a string :') origchar = raw_input('input a origchar : ') newchar = raw_input('input a new char : ') subchar(string,origchar,newchar)
#!/usr/bin/env python #_*_ coding : utf-8 _*_ def Rochambeau(): text = {0 : 'Cloth', 1 : 'Scissor', 2 : 'Stone'} import random mac = random.randrange(0,3,1) humans = int(raw_input('your choice(0-Cloth, 1-Scissor, 2-Stone):')) nums = range(0,3,1) print "You: %s Computer: %s " % (text[humans], text[mac]) print 'the result is : ' if humans not in nums: print 'Error:Wrong input!' elif humans-mac == 0: print 'Draw' elif humans-mac == 1 or humans-mac == -2: print 'You win !!!' else: print 'Computer win !!!' if __name__ == '__main__': while True: Rochambeau()