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5 Python code examples that beginners must know
Python is a concise and powerful programming language suitable for beginners to get started. In the process of learning Python, mastering a few basic introductory code examples is very important to establish basic knowledge and improve programming abilities. Below are 5 introductory code examples that beginners must know. Each code example is accompanied by a specific code implementation.
print("Hello, World!")
a = 10 b = 5 sum = a + b print("The sum of", a, "and", b, "is", sum)
num = float(input("请输入一个数: ")) if num > 0: print("正数") elif num == 0: print("零") else: print("负数")
fruits = ["apple", "banana", "cherry"] for fruit in fruits: print(fruit)
str = input("请输入一个字符串: ") reversed_str = str[::-1] print("反转后的字符串是:", reversed_str)
By studying the above 5 introductory code examples, beginners can master Python's basic syntax, mathematical operations, conditional statements, loop structures, string operations and other knowledge points. These code examples not only help beginners understand the basic concepts of Python, but also improve their programming skills and problem-solving abilities. I hope that beginners can become masters of Python programming through continuous learning and exploration through practice!
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