Python rewrite C language program 100 cases--PART6

"Program 41" title: Learn how static variables are used to define the use Method 1. Program Analysis: 2. Program Source: "' # Python does not have this function, just can:) def varfunc ():    var = 0    print ' var =% d ' var    var + = 1if __name__ = = ' __main__ ': for    I in range (3):        Varfunc () # Attribut of class# as a property of class St atic:    Staticvar = 5    def varfunc (self): self        . Staticvar + = 1        print self. Staticvarprint Static.staticvara = Static () for I in Range (3):    A.varfunc ()

"topic: Learning how to use Auto to define variables 1. Program Analysis: 2. Program Source: No Autokeyword, use variable scope for example" num = 2def autofunc ():    num = 1    print ' int Ernal Block num =%d '% num    num + = 1for i in range (3):    print ' The num =%d '% num    num + 1    autofunc ()    

"Program 43" topic: There is a way to learn to use static. 1. Program Analysis: 2. Program Source: There is a static variable to use, Python is not, to demonstrate a Python scope using the method ' class Num:    nnum = 1    def Inc (self):        Self.nnum + = 1        print ' nnum =%d '% self.nnumif __name__ = = ' __main__ ':    nnum = 2    inst = Num () for    I in rang E (3):        nnum + = 1        print ' The num =%d '% nnum        inst.inc ()

"Program 45" topic: Learn how to use register to define variables. 1. Program Analysis: 2. Program Source: No Registerkeyword, replace with integer variable ' tmp = 0for i in range (1,101):    tmp + = IPrint ' The sum is%d '% tmp

"" "program 46" title: Macro # define command exercises (1) 1. Program Analysis: 2. Program Source: No C language macros, so write "TRUE = 1FALSE = 0def SQ (x):    return x * xprint ' programs wil L Stop if input value less than 50. ' again = 1while again:    num = int (raw_input (' Please input number ') "print ' The square for this number is    %d '% (SQ (n UM)    if num >=:        again = TRUE    else:        again = FALSE

"Title: Macro # define command exercises (2) 1. Program Analysis: 2. Program Source: #include" stdio.h "#define Exchange (A, b) {\ */* Macros in the macro definition agree to include two clothes commands, at which point you must add"　　　　　　　　　　　　\ "*/int t;　　　　　　　　　　　　T=a;　　　　　　　　　　　　A=b;　　　　　　　　　　　b=t; } ' This macro defines that Python does not support ' Def exchange (A, B): A,    B = b,a    return (A, b) if __name__ = = ' __main__ ':    x = ten    y =    print ' x =%d,y =%d '% (x, y) x, y    = Exchange (x, y)    print ' x =%d,y =%d '% (x, y)

"Program 48" title: Macro # define command exercises (3) 1. Program Analysis: 2. Program Source: #define LAG > #define SMA < #define EQ = = #include "stdio.h" void Main () {in T i=10;int j=20;if (i LAG J) printf ("\40:%d larger than%d \ n", i,j), else if (i EQ j) printf ("\40:%d equal to%d \ n", i,j); Els E if (i SMA j) printf ("\40:%d smaller than%d \ n", i,j); elseprintf ("\40:no such value.\n");} Do not know how to use Python to achieve similar functions ' if __name__ = = ' __main__ ':    i = ten    j =    If i > J:        print '%d larger than%d '% (i , j)    elif i = = J:        print '%d equal to%d '% (i,j)    elif i < j:        print '%d smaller than%d '% (i,j)    Else :        print ' No such value '    

"Program 49" title: #if #ifdef和 Comprehensive application of #ifndef. 1. Program Analysis: 2. Program Source: #include "stdio.h" #define Max#define MAXIMUM (x, y) (x>y)? X:y#define MINIMUM (x, y) (x>y)? y:xvoid Main () {int a=10,b=20; #ifdef maxprintf ("\40:the larger one is%d\n", MAXIMUM (A, b)); #elseprintf ("\40:the Lower one is%d\n ", MINIMUM (A, b)); #endif #ifndef minprintf (" \40:the Lower one is%d\n ", MINIMUM (b)); #elseprintf (" \40:the larger one is%d \ n ", MAXIMUM (A, B)), #endif #undef max#ifdef maxprintf (" \40:the larger one is%d\n ", MAXIMUM (A, b)); #elseprintf (" \40:the Lower one is%d\n ", MINIMUM (A, A, b); #endif # define Min#ifndef minprintf (" \40:the Lower one is%d\n ", MINIMUM (A, b)); # elseprintf ("\40:the larger one is%d\n", MAXIMUM (A, b)); #endif} This is also a preprocessing use, and Python does not support this mechanism to demonstrate the use of lambda. "' MAXIMUM = lambda x, y: (x > Y) * x + (x < y) * Yminimum = lambda x, y: (x > Y) * y + (x < y) * xif __name __ = = ' __main__ ': a = ten b = print ' The Largar one is%d '% MAXIMUM (A, B) print ' The lower one is%d '% MINI MUM (A, B)

Python rewrite C language program 100 cases--PART6