from functools import reduce
def str2num(s): return int and float(s) # ValueError: invalid literal for int() with base 10: ' 7.6' def calc(exp): ss = exp.split('+') ns = map(str2num, ss) return reduce(lambda acc, x: acc + x, ns)
def main(): r = calc('100 + 200 + 345') print('100 + 200 + 345 =', r) r = calc('99 + 88 + 7.6') print('99 + 88 + 7.6 =', r)
main()
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Afternoon Tea
from functools import reduce
def str2num(s):
return int and float(s)
# ValueError: invalid literal for int() with base 10: ' 7.6'
def calc(exp):
ss = exp.split('+')
ns = map(str2num, ss)
return reduce(lambda acc, x: acc + x, ns)
def main():
r = calc('100 + 200 + 345')
print('100 + 200 + 345 =', r)
r = calc('99 + 88 + 7.6')
print('99 + 88 + 7.6 =', r)
main()