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Python learning notes (1), python learning notes #! /Usr/bin/eny python #! -*-Coding: UTF-8-*-"import timea1 = Truewhile a1: print ('1') time. sleep (3) a1 = Falseprint ('end') "" # an integer in 10 of the output ratio. # Break is used to jump out of a loop. "" A1 = Truenub

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Python learning experience-coding format and python learning experience Computer capacity unit: 1-bit = 1bit; 8 bit = 1 byte = 1 byte; 1024 bytes = 1 kbytes = 1KB; 1024KB = 1 Million Bytes = 1 MB = 1 MB; 1024 MB = 1 Gigabytes; 1024 GB = 1 TB; 1024 TB = 1 Pb; ASCII code(American Standard Code for Information Interchan

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numeric Type- int, float, long, complex There are four different numeric types: ordinary integers, long integers, floating-point numbers, and complex numbers A normal integer (or short integer) is implemented using a long in C with a precision of at least 32 bits (Sys.maxint is always set to the maximum normal integer value of the current platform, and the minimum value is -sys.maxint - 1). long integers have infinite precision. floating-point numbers are usually implemented with a double in C

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