64 def roundfrac(intpart, fraction, digs):  argument
67     if f <= digs:
68         return intpart, fraction + '0'*(digs-f)
70     if i+digs < 0:
71         return '0'*-digs, ''
73     nextdigit = total[i+digs]
75         n = i + digs - 1
85     if digs >= 0:
86         return intpart, fraction[:digs]
88         return intpart[:digs] + '0'*-digs, ''
90 def fix(x, digs):  argument
100     intpart, fraction = roundfrac(intpart, fraction, digs)
103     if digs > 0: return sign + intpart + '.' + fraction
106 def sci(x, digs):  argument
124     digs = max(0, digs)
125     intpart, fraction = roundfrac(intpart, fraction, digs)
131     if digs > 0: s = s + '.' + fraction
142             x, digs = input('Enter (x, digs): ')
143             print x, fix(x, digs), sci(x, digs)