{"id":19162,"date":"2024-03-15T18:21:55","date_gmt":"2024-03-15T18:21:55","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-is-the-print-function-used-in-python-2\/"},"modified":"2024-03-21T15:02:30","modified_gmt":"2024-03-21T15:02:30","slug":"how-is-the-print-function-used-in-python-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-is-the-print-function-used-in-python-2\/","title":{"rendered":"How is the print function used in Python?"},"content":{"rendered":"

The print function is used to display output, which can include strings, variables, expressions, and more.<\/p>\n

Basic usage:<\/p>\n

print<\/span>('Hello, World!'<\/span>)  # \u6253\u5370\u5b57\u7b26\u4e32<\/span>\r\nprint<\/span>(123<\/span>)  # \u6253\u5370\u6574\u6570<\/span>\r\nprint<\/span>(3.14<\/span>)  # \u6253\u5370\u6d6e\u70b9\u6570<\/span>\r\n<\/code><\/pre>\n
When printing multiple items, you can separate them with commas.<\/p>\n
name = 'Alice'<\/span>\r\nage = 20<\/span>\r\nprint<\/span>('My name is'<\/span>, name, 'and I am'<\/span>, age, 'years old.'<\/span>)  # \u6253\u5370\u591a\u4e2a\u5b57\u7b26\u4e32\u548c\u53d8\u91cf<\/span>\r\n<\/code><\/pre>\n
Strings can be concatenated using the plus sign.<\/p>\n
name = 'Alice'<\/span>\r\nage = 20<\/span>\r\nprint<\/span>('My name is '<\/span> + name + ' and I am '<\/span> + str<\/span>(age) + ' years old.'<\/span>)  # \u5b57\u7b26\u4e32\u62fc\u63a5\u548c\u7c7b\u578b\u8f6c\u6362<\/span>\r\n<\/code><\/pre>\n
You can format output using placeholders.<\/p>\n
name = 'Alice'<\/span>\r\nage = 20<\/span>\r\nweight = 60.5<\/span>\r\nprint<\/span>('My name is %s and I am %d years old. My weight is %.1f kg.'<\/span> % (name, age, weight))  # \u4f7f\u7528\u5360\u4f4d\u7b26\u683c\u5f0f\u5316\u8f93\u51fa<\/span>\r\n<\/code><\/pre>\n
In Python 3.6 and later versions, you can also use f-strings for formatting output.<\/p>\n
name = 'Alice'<\/span>\r\nage = 20<\/span>\r\nweight = 60.5<\/span>\r\nprint<\/span>(f'My name is {name}<\/span> and I am {age}<\/span> years old. My weight is {weight:.1<\/span>f}<\/span> kg.'<\/span>)  # \u4f7f\u7528f-string\u683c\u5f0f\u5316\u8f93\u51fa<\/span>\r\n<\/code><\/pre>\n
Important notes:<\/p>\n
    \n
  1. By default, the print function will add a newline character at the end of the output. If you do not want a newline, you can use the end parameter to control it, for example: print(‘Hello’, end=”).<\/li>\n
  2. The print function can take multiple arguments and automatically add spaces to separate them, for example: print(‘Hello’, ‘World’) will output Hello World.<\/li>\n
  3. The parameters of the print function can be objects of any type. If you need to output a custom object, you can specify the object’s string representation by defining the __str__ method in the class.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
    The print function is used to display output, which can include strings, variables, expressions, and more. Basic usage: print(‘Hello, World!’) # \u6253\u5370\u5b57\u7b26\u4e32 print(123) # \u6253\u5370\u6574\u6570 print(3.14) # \u6253\u5370\u6d6e\u70b9\u6570 When printing multiple items, you can separate them with commas. name = ‘Alice’ age = 20 print(‘My name is’, name, ‘and I am’, age, ‘years old.’) # […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-19162","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nHow is the print function used in Python? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-is-the-print-function-used-in-python-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How is the print function used in Python?\" \/>\n<meta property=\"og:description\" content=\"The print function is used to display output, which can include strings, variables, expressions, and more. Basic usage: print('Hello, World!') # \u6253\u5370\u5b57\u7b26\u4e32 print(123) # \u6253\u5370\u6574\u6570 print(3.14) # \u6253\u5370\u6d6e\u70b9\u6570 When printing multiple items, you can separate them with commas. name = 'Alice' age = 20 print('My name is', name, 'and I am', age, 'years old.') # […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-is-the-print-function-used-in-python-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-15T18:21:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-21T15:02:30+00:00\" \/>\n<meta name=\"author\" content=\"Jackson Davis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jackson Davis\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-is-the-print-function-used-in-python-2\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-is-the-print-function-used-in-python-2\/\"},\"author\":{\"name\":\"Jackson Davis\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/55a10b8b0457c35884c25677889ad350\"},\"headline\":\"How is the print function used in Python?\",\"datePublished\":\"2024-03-15T18:21:55+00:00\",\"dateModified\":\"2024-03-21T15:02:30+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-is-the-print-function-used-in-python-2\/\"},\"wordCount\":161,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-is-the-print-function-used-in-python-2\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-is-the-print-function-used-in-python-2\/\",\"name\":\"How is the print function used in Python? 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