Python 24-point program

MSO-Hansi-font-family: "Times New Roman" '> today, I am asking for help on the Internet.
7 MSO-Hansi-font-family: "Times New Roman" '> use +-*/"Times New Roman"'> calculate 21.yes"> "Times New Roman "; MSO-Hansi-font-family: "Times New Roman" '> I wrote one myself. MSO-Hansi-font-family: "Times New Roman" '> but the Code cannot be found. "Times New Roman"'> I even know the 24; MSO-ascii-font-family: "Times New Roman "; MSO-Hansi-font-family: "Times New Roman" '> many vertices say that MSO-Hansi-font-family: "Times New Roman" '> so I searched the internet.

MSO-Hansi-font-family: "Times New Roman" '> there are many, "Times New Roman" '> but a (; MSO-ascii-font-family: "Times New Roman "; MSO-Hansi-font-family: "Times New Roman" '> in fact, it cannot be called C ++, MSO-Hansi-font-family: "Times New Roman" '> All C "Times New Roman"'> syntax),; MSO-ascii-font-family: "Times New Roman "; MSO-Hansi-font-family: "Times New Roman" '> tried nmso-Hansi-font-family: "Times New Roman"'> multiple times, BORLANDC3.1 "Times New Roman" '> and GCC; MSO-ascii-font-family: "Times New Roman"; MSO-Hansi-font-family: "Times New Roman" '> cannot be compiled. MSO-Hansi-font-family: "Times New Roman" '> you also found VB, "Times New Roman"'> and web; MSO-ascii-font-family: "Times New Roman"; MSO-Hansi-font-family: "Times New Roman" '>, MSO-Hansi-font-family: "Times New Roman" '> it seems useless. MSO-ascii-font-family: "Times New Roman"; MSO-Hansi-font-family: "Times New Roman" '> when looking for something, MSO-Hansi-font-family: "Times New Roman" '> I figured it out myself. ("Times New Roman" '> how to use this program)

 

MSO-Hansi-font-family: "Times New Roman" '> to avoid such problems in the future, "Times New Roman" '> spent an hour using Python "Times New Roman"'> wrote one by yourself, "Times New Roman" '> or Python "Times New Roman"'> good ~~~~~~~

 

Funs = [Lambda X, item: (x + item [0],

Yes ">
STR (x) + '+ (' + item [1] + ')'

Yes ">
),

Yes "> Lambda X, item: (x-item [0],

Yes ">
STR (x) + '-(' + item [1] + ')'

Yes ">
),

Yes "> Lambda X, item: (item [0]-X,

Yes "> yes"> '(' + item [1] + ')-' + STR (X)

Yes ">
),

Yes "> Lambda X, item: (x * item [0],

Yes ">
STR (x) + '* (' + item [1] + ')'

Yes ">
),

Yes "> Lambda X, item: (item [0] = 0 and (0, 'zzz') or/

 
Yes "> (x/item [0],

Yes ">
STR (x) + '/(' + item [1] + ')'

Yes ">
),

Yes "> Lambda X, item: (x = 0 and (0, 'zzz') or/

Yes ">
(Item [0]/X,

Yes ">
'(' + Item [1] + ')/' + STR (X)

Yes ">
)

]

 

Def Con (Num ):

Yes "> L = Len (Num)

Yes "> P = List ()

Yes "> if l = 1: Return {num [0]: STR (Num [0])}

Yes "> for I in range (l ):

Yes "> for F in funs:

Yes ">
P + = map (lambda item: F (Num [I], item ),

Yes ">
Con (Num [: I] + num [I + 1:]). Items ()

Yes ">
)

Yes "> return dict (P)

 

Print con (MAP (float, [21.0,]). Get (, 0)

 

 

MSO-Hansi-font-family: "Times New Roman" '> I will not explain the code. "Times New Roman"'> ask if you have any questions.

 

MSO-Hansi-font-family: "Times New Roman" '> In addition, due to the error in floating point calculation ,". get (21.0, 0 "" Times New Roman "'> This sentence is not perfect yet." Times New Roman "'> but it is enough to solve this problem, "Times New Roman" '> everyone knows how to improve it.