Expression calculator

quinnweber425 22.05.2026 11:29

Expression calculator

Hackathon project, built in one night

helper.py

from collections import Counter
def top_words(text, n=5):
    words = text.lower().split()
    return Counter(words).most_common(n)

print(top_words('the cat sat on the mat the cat'))

data.py

def reverse_string(s): return s[::-1]

print(reverse_string("hello"))

app.py

def is_prime(n):
    if n < 2: return False
    for i in range(2, int(n**0.5)+1):
        if n % i == 0: return False
    return True

print(is_prime(17))

Expression calculator

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