"是0") elif a > 0: print(a, "是正数") else: print(a, "是负数") # 练习2:输入一个季度的数字 输出该季度有那几个月 b = int(input("请输入一个季度:1.春季2.夏季3.秋季4.冬季")) if b > 4: print(b, "不是季节") elif b < 0: print(b, "不是季节")...
python关键字可以通过导入python中的keyword模块查看,如下: importkeywordprintkeyword.kwlist#结果['and','as','assert','break','class','continue','def','del','elif','else','except','exec','finally','for','from','global','if','import','in','is','lambda','not','or','pass','print...
# 1:给定一个数,判断他是正数,负数,还是0a = int(input("请输入一该个整数"))if a == 0: print(a, "是0")elif a > 0: print(a, "是正数")else: print(a, "是负数")# 练习2:输入一个季度的数字 输出该季度有那几个月b = int(input("请输入一个季度:1.
4.1 程序逻辑结构-分支 if、elif、else 4.1.1 语法格式 4.1.2 让我们来做一个简易口算训练器 4.1.2.1 随机数 - random用法 4.1.2.2 生成随机运算符 - if + else + random 4.1.2.3 运算函数 4.1.2.4 综合 4.2 程序逻辑结构-循环 for 和 while ...
学习Python编程:A-Z训练营+200个练习 Learn Python Programming: A-Z Bootcamp + 200 Exercises 时长:243次讲座(16小时58分)掌握Python从基础到高级的实践和实际应用 你将学到什么理解并使用Python的数字、字符串和布尔数据类型。在Python程序中执行算术运算和类型转换。在Python中使用“if”、“if-else”和“if-...
学习Python编程:A-Z训练营+200个练习 Learn Python Programming: A-Z Bootcamp + 200 Exercises 时长:243次讲座(16小时58分)掌握Python从基础到高级的实践和实际应用 你将学到什么理解并使用Python的数字、字符串和布尔数据类型。在Python程序中执行算术运算和类型转换。在Python中使用“if”、“if-else”和“if-...
Make decisions with conditional statements: write "if" statements with "elif" and "else"; use comparison operators; join multiple conditions with "and", "or" and "not"; create nested ifs Repeat code multiple times using loops: write "for" and "while" loops; use "for" loops with range(...
elif z%2 == 1: if y > x and z > y: print z else: print 'None of your numbers are odd' When I execute the code, this is the output displayed by the Python shell. Please enter three numbers: First number: 3 Second number: 8 ...
isdigit() and 0 <= int(i) <= 255: pass else: print("Invalid IP address") if ip == "0.0.0.0": print('unassigned') elif ip == "255.255.255.255": print("local broadcast") elif 1 <= int(ip_split[0], 10) <= 223: print("unicast") elif 224 <= int(ip_split[0], 10) <=...
num = input("输入一个数字: ")if num > 0print("正数")elif num == 0print("零")elseprint(...