49 lines
837 B
Python
49 lines
837 B
Python
# while计算1-100和
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# num=0
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# i = 1
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# while i <= 100:
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# num = num + i
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# i += 1
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# print(num)
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# while循环嵌套，参考99乘法表
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# for语句演示
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# name = "i_love_python"
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# for x in name:
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# print(x)
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# i = 0
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# name = "it_hema is a brand of it_cast"
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#
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# for x in name:
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# if x == "a":
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# i += 1
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# print(i)
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# range()语句使用
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#
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# for x in range(10):
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# print(f"{x}\t", end='')
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# print()
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# for x in range(20, 30):
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# print(f"{x}\t", end='')
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# print()
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# for x in range(10, 30, 3):
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# print(f"{x}\t", end='')
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# for 嵌套
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# for i in range(101):
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# print(f"表白地{i}天")
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# for j in range(11):
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# print(f"这是今天送的第{j}支花")
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# 循环中断 continue/break
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# for i in range(19):
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# print(f"这是第{i}次")
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# continue
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# print("abc")#此代码无法访问
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