Python’s simple syntax

When it comes to Python's simple syntax and functions, there are a few key points worth mentioning:

  1. Variables and data types: In Python, you do not need to explicitly declare the type of a variable, you can directly assign a value. Python will automatically infer its data type based on the value assigned to the variable. Common data types include integer (int), floating point number (float), string (str), Boolean value (bool), list (list), tuple (tuple), dictionary (dict), etc.

  2. Conditional statements: Python uses ifthe, elifand elsekeywords to perform conditional judgments. A colon should be added after the conditional expression :, and the executed code block needs to be indented.

  3. Loop statement: Python provides forand whileloops to implement iteration. forLoops are used to iterate over iterable objects, and whileloops execute loops based on whether a condition is true or false.

  4. Function definition: Use defthe keyword to define a function. Functions can accept parameters and can return a value. The function body needs to be indented, and returna statement should be used to return the value.

  5. Modules and Imports: Python’s functionality is organized and managed through modules. You can use importthe statement to import functions, classes, and variables defined in other modules so that they can be used in the current module.

  6. Exception handling: Python uses trythe and exceptstatements to catch and handle exceptions. You can use tryblocks to wrap code that may throw exceptions and use exceptblocks to define exception handlers.

      These are just some of the basic syntax and concepts of Python, a powerful and flexible language with many other features and concepts such as list comprehensions, generators, decorators, object-oriented programming, etc. Learning Python in depth can help you take better advantage of the language. It is recommended to refer to official documents or reference books for more detailed study.

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Origin blog.csdn.net/m0_68870101/article/details/131635832