Question

Python 作业菜鸟求答案在线等

def series(f, n):
"""
Computes the sum of the series defined by function f
for the first 1 through n terms

f -- function
n -- number
returns -- number
"""

def harmonic(n):
return 1.0 / n
def geometric_onehalf(n):
return (1.0 / 2.0) ** (n-1)
def alternating_harmonic(n):
return (2 * (n % 2) - 1) * harmonic(n)

assertEqual(series(harmonic, 1), 1.0)
assertEqual(series(harmonic, 10), 2.9289)
assertEqual(series(geometric_onehalf, 2), 1.5)

Answer 1

def series(f, n):
"""
Computes the sum of the series defined by function f
for the first 1 through n terms

f -- function
n -- number
returns -- number
"""
return sum(f(i) for i in range(1,n+1))