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Quiz on the metric prefixs, symbols, and decimals associated with each other.

Python, 49 lines
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import random
def delete(L,n):
    """returns a list L with value of n deleted"""
    new = []
    for x in L:
    	new.append(x)
    new.remove(n)
    return new
symbol = ["p","n","mu","m","c","d","da","h","k","M","G","T"]
value = [".000000000001",".000000001",".000001",".001",".01",".1","10","100","1000","1000000","1000000000","1000000000000"]
prefix = ["pico","nano","micro","milli","centi","deci","deca","hecto","kilo","mega","giga","tera"]
#12 elements each
print"Please use quotations when entering answers!!!\n"
try:
    while(True):#main loop
        secList = [symbol,value,prefix]
        section = random.choice(secList)
        element = random.choice(range(len(symbol)))
        otherTwo = delete(secList,section)
        
        print "__"+section[element]+"__"

        if(section == symbol):
            print "Value:"
        elif(section == value):
            print "Symbol:"
        else:
            print "Symbol:"
        ansOne = input()
        if(str(ansOne) != otherTwo[0][element]):
            print "Right Answer is "+otherTwo[0][element]

        if(section == symbol):
            print "Prefix:"
        elif(section == value):
            print "Prefix:"
        else:
            print "Value:"    
        ansTwo = input()
        if(str(ansTwo) != otherTwo[1][element]):
            print "Right Answer is "+otherTwo[1][element]+"\n"

        else:
            print "\n"    
        del(symbol[element])
        del(value[element])
        del(prefix[element])
except(IndexError):
    print "Quiz Finished!!\n"
    

http://en.wikipedia.org/wiki/SI_prefix#List_of_SI_prefixes

Was challenging(fun) to code and strung together concepts of randomization, lists, logic(no repeats) and functions. Using dictionaries could of made this easier, had I known how to string together 3 values instead of the regular 2.

Improvements: -Calculating score -Making it so that users do not have to type in quotations for everything.

1 comment

Gabriel Genellina 12 years, 1 month ago  # | flag

Making it so that users do not have to type in quotations for everything.

Use raw_input() instead.

A variant for delete(L,n):

return [x for x in L if x!=n]

but you could avoid it completely by using

section = secList.pop(random.randrange(3))

(and replacing otherTwo by secList afterwards).

Also, instead of globally catching the IndexError, replace the infinite loop with:

while symbol:
Created by Daniel Saha on Sun, 11 Oct 2009 (MIT)
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