56 lines
884 B
Python
56 lines
884 B
Python
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a1 = int(input("input:")) # input
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print('%8d'%a1, '\n') # print
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# print(objects, sep=' ', wnd='\n')
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# 数据类型
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x1 = 123
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x2 = 123.123
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x3 = True
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x4 = "True"
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print(x1, " ", type(x1))
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print(x2, " ", type(x2))
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print(x3, " ", type(x3))
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print(x4, " ", type(x4))
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print()
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# 运算符
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"""
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1. **
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2. * / % //
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3. + -
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4. <= < > >=
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5. <> == !=
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6. = %= /= //= -= += *= **=
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7. not or and
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"""
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# 条件判断
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if (x1==a1) and (x3==True):
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print("OK!!!")
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elif x3==False:
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print("x3==False")
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else:
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print("x1:", x1)
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print("a1:", a1)
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print()
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# 循环控制
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for i in range(10): # 逐一访问序列中的元素
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while i>=9 and i<13: # 通过条件控制
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print(i)
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i+=1
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continue
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break
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# range() 函数 创建一个整数列表
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"""
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# 基本格式
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range(start, stop,[step])
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# 开始 结束 步长
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range(5, 1, -1) # 可做到倒序输出
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"""
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