优雅地均匀分割字符串

average_split.py

def avsplit1(s, n):
    fn = len(s)//n
    rn = len(s)%n
    ar = [fn+1]*rn+ [fn]*(n-rn)
    si = [i*(fn+1) if i<rn else (rn*(fn+1)+(i-rn)*fn) for i in range(n)]
    sr = [s[si[i]:si[i]+ar[i]] for i in range(n)]
    return sr

def avsplit2(s, n):
    fn = len(s)//n
    rn = len(s)%n
    sr = []
    ix = 0
    for i in range(n):
        if i<rn:
            sr.append(s[ix:ix+fn+1])
            ix += fn+1
        else:
            sr.append(s[ix:ix+fn])
            ix += fn
    return sr

print avsplit1(s,n)
print avsplit2(s,n)