Emad Nawfal (عماد نوفل) wrote:
Hi Tutors,
I want a function that acts like the startswith method, but can take
multiple prefixes. As an amateur programmer, I came up with this one,
and it works fine, but my experience tells me that my solutions are
not always the best ones around. Can you please tell me what a better
option might be:
def beginsWith(word, listname):
count = 0
x = range(len(word))
for i in x:
if word[:i] in listname:
count+=1
break
if count > 0:
return True
else:
return False
Above does a lot more work than necessary. Try:
def beginsWith(word, listname):
for prefix in listname:
if word.startswith(prefix):
return True
# main
text = "ana mary fify floor school security".split()
prefixes = ["an", "ma", "fi", "sec"]
for word in text:
if beginsWith(word, prefixes):
print(word+" (Match)")
else:
print(word)
#This produces the following:
IDLE 3.0 ==== No Subprocess ====
>>>
ana (Match)
mary (Match)
fify (Match)
floor
school
security (Match)
>>>
--
لا أعرف مظلوما تواطأ الناس علي هضمه ولا زهدوا في إنصافه
كالحقيقة.....محمد الغزالي
"No victim has ever been more repressed and alienated than the truth"
Emad Soliman Nawfal
Indiana University, Bloomington
http://emnawfal.googlepages.com
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