65 def roundfrac(intpart, fraction, digs):  argument
68     if f <= digs:
69         return intpart, fraction + '0'*(digs-f)
71     if i+digs < 0:
72         return '0'*-digs, ''
74     nextdigit = total[i+digs]
76         n = i + digs - 1
86     if digs >= 0:
87         return intpart, fraction[:digs]
89         return intpart[:digs] + '0'*-digs, ''
91 def fix(x, digs):  argument
101     intpart, fraction = roundfrac(intpart, fraction, digs)
104     if digs > 0: return sign + intpart + '.' + fraction
107 def sci(x, digs):  argument
125     digs = max(0, digs)
126     intpart, fraction = roundfrac(intpart, fraction, digs)
132     if digs > 0: s = s + '.' + fraction
143             x, digs = input('Enter (x, digs): ')
144             print x, fix(x, digs), sci(x, digs)