I need help on my game program!

import random
class character:
    atk_range=(0,7)
    def_range=(0,7)
    def attack(self):
        atk=random.randint(self.atk_range[0],atk_range[1])
        if atk>3:
            dmg=atk
            return dmg
        else:
            return ("Attack failed!")
    def dodge(self):
        dodge=random.randint(self.def_range[0],def_range[1])
        if dodge>3:
            evd=True
            return evd
        else:
            evd = False
            return evd

import os
from Character import character
class player(character):
    name=""
    wep_inp=["s","a","b"]
    def name_inp(self):
        n=input("What is your name?: ")
        n=n.title()
        self.name=n
    def wepon_inp(self):
        w=input("""Choose your weapon: [S]word:6 ATK, 6 DEF
                                       [A]xe  :7 ATK, 5 DEF
                                       [B]ow  :5 ATK, 7 DEF
                                       Enter S, A, or B   :""")
        if w.lower() in self.wep_inp:
            if w.lower()=="s":
                atk_range=(0,7)
                def_range=(0,7)
            elif w.lower()=="a":
                atk_range=(0,8)
                def_range=(0,6)
            elif w.lower()=="b":
                atk_range=(0,6)
                def_range=(0,8)
            return True
        else:
            return False

    def __init__(self):
        while True:
            name_inp()
            x=wepon_inp()
            while x==False:
                os.system("cls")
                name_inp()
                x=wepon_inp()
            break

from Character import character
from Player import player
chara=player()