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                ~~~ 三、條件語句 1、if語句 x = 'abc' y = 'e' if x == 'abcd' : print('x 的值和abc是相等的') elif y == 'e' : print('y 等于e') else: print('x的值和abc是不相等的') chinese_zodiac = '猴雞狗豬鼠牛虎兔龍蛇馬羊' 交互式輸入年份 year = int(input('請用戶輸入出生年份:')) if(chinese_zodiac[year%12] == '豬'): print('豬事順利') else: print('%d年不是豬年' %year) 2、循環語句 2.1、for語句 兩種遍歷方式 for cz in chinese_zodiac: print(cz) for i in range(1,13): print(i) for cz in chinese_zodiac: if(chinese_zodiac[year%12] == cz): print('豬事順利') break for year in range(2013,2019): print('%s 年的生肖是 %s' %(year,chinese_zodiac[year%12])) import time #2.2 while循環語句 #死循環 `num = 5 while True: num = num + 1 if num == 7: break print(num) #休眠一秒 time.sleep(1)` #break 跳出該循環 continue 跳出本次循環繼續以下循環 #2.3 for循環中的if判斷 ~~~
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