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可变数据类型:dict字典{ },list列表[ ],set集合{ }不可变数据类型:int整型, float浮点型, bool布尔值, str字符串, tuple()元组 (元组:元组能不能改:正常情况下不能改,含列表的情况下,列表里内容可以改) 可变数据类型: 1、dict字典{ },增删改查, 阅读全文
posted @ 2022-06-05 21:52
浅笑音符
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字符串的乘法 阅读全文
posted @ 2022-06-05 21:33
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n = 100while n>=50: print(n) n -= 1m = 0while m<=50: print(m) m += 1# 一行打印s = ''s1 = ","n = 100while n >= 50: s += str(n) + s1 n -= 1m = 0while m <= 5 阅读全文
posted @ 2022-06-05 21:32
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n = 0s = ''s2 = ','while n < 12: n += 1 if n ==6 or n==10: s += ' ' if n==6 or n== 10: continue elif n==12: s = s + str(n) else: s = s + str(n) +s2pri 阅读全文
posted @ 2022-06-05 21:30
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n=2sum_num=0while n<101: if n%2==0: sum_num=sum_num+n else: sum_num=sum_num-n n=n+1print(sum_num) 阅读全文
posted @ 2022-06-05 21:24
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n = 1a = 0b = 0while n <= 1000: if n % 2 == 0: a = a + n else: b = b + n n = n + 1print('偶数和:',a)print('奇数和:',b) 阅读全文
posted @ 2022-06-05 21:24
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num=1while num<=100: if num%2==0: print(num) else: pass num=num+1 阅读全文
posted @ 2022-06-05 21:23
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方法1:num = 1while num <= 100: if num % 2 == 1: print(num) else: pass num = num+1方法2:num = 1while num <= 100: if num%2!= 0: print(num) num = num + 1 阅读全文
posted @ 2022-06-05 21:22
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break 强制退出循环
continue 终止本次循环,进入下个循环 阅读全文
posted @ 2022-06-05 21:20
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#方法1:laowang=45n=0while n<3: age=int(input("请输入老王的年纪")) if age==laowang: print('恭喜你,答对了') break else: print('答错了,请重试') n = n + 1 if n>=3: print('机会用完, 阅读全文
posted @ 2022-06-05 21:15
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