Twenty Four Cheater | Python Fiddle

from itertools import *
import sys, traceback

def makeproblem(nums, ops):
    prob='(('+nums[0]+ops[0]+nums[1]+')'+ops[1]+nums[2]+')'+ops[2]+nums[3]
    return prob

def makeproblem2(nums, ops):
    prob='('+nums[0]+ops[0]+nums[1]+')'+ops[1]+'('+nums[2]+ops[2]+nums[3]+')'
    return prob

#Cleans up the appearance of the output by removing all ".0" endings from numbers
def removedecimals(problem):
    problem=list(problem)
    tobepopped=[]
    for i in range(0, len(problem)):
        if problem[i]=="." and problem[i+1]=='0':
            tobepopped.append(i)
            tobepopped.append(i+1)
    tobepopped.reverse()
    for k in tobepopped:
        problem.pop(k)
    newproblem=""
    for j in problem:
        newproblem+=j
    return newproblem

def getnums():
    nums=[]
    while nums==[]:
        try:
            print("Enter four numbers, separated by return.")
            a=raw_input()
            if a=="quit":
                exit()
            a=float(a)
            b=float(raw_input())
            c=float(raw_input())
            d=float(raw_input())
            nums=[a,b,c,d]
        except ValueError:
            print #spacer
            print("There was a problem with your entry. Please try again from the beginning.")
            print #spacer
            nums=[]
    stringnums=[]
    for i in nums:
        stringnums.append(str(i))
    nums=stringnums
    return nums

#Operation permutation list.
opperms=list(set(permutations(['+','-','*','/','+','-','*','/','+','-','*','/'], 3)))

print '''Welcome to the Solution Finder for the game "24."

All "24" problems from the original game can be solved as
a series of three equations, each using the answer to
the previous equation as input for the next equation
This program finds all solutions of that type, as well as
the other possible basic type, in which two expressions
are combined to make a third expression that equals 24.
'''

while True:

nums=getnums()
    
#Number permutation list.
    numperms=list(permutations(nums))
    numperms=list(set(numperms))

#problist is the list of solution problems

problist=[]
    for i in numperms:
        for j in opperms:
            currentprob=makeproblem(i,j)
            try:
                if eval(currentprob)==24:
                    currentprob=removedecimals(currentprob)
                    if currentprob not in problist:
                        problist.append(currentprob)
                currentprob=makeproblem2(i,j)
                if eval(currentprob)==24:
                    currentprob=removedecimals(currentprob)
                    if currentprob not in problist:
                        problist.append(currentprob)
            except ZeroDivisionError:
                pass
    
    if problist==[]:
        print "No solution."
    else:
        if len(problist)==1:
            print("The solution is:")
        if len(problist)>1:
            print("The solutions are:")
        for k in problist:
            print(k)
    print #spacer

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