Need help with phone book project in Python

# data
names = ['salman','Amal','sarah','malik','lamar','mohammed']
numbrs = [11,22,33,44,55,66]

# input number
def enter_numbr():
    while True:
        try:
            num = int(input('enter phone number:'))
        except ValueError:
            print('sorry enter only numbers')
            continue
        else:
            break
    # search in data
    try:
        va = numbrs.index(num)
        print(names[va], numbrs[va])
    except ValueError:
        print('the number you entered is not saved')

# input name
def enter_name():
    while True:
        try:
            name = (input('enter name:'))
        except ValueError:
            print('sorry enter only name')
            continue
        else:
            break
    # search in data
    try:
        va1 = names.index(name)
        print(names[va1], numbrs[va1])
    except ValueError:
        print('the name you entered is not found')

# save new number
def save_number():
    print('save new number')
    new_name = input('add the name:')
    names.append(new_name)
    new_number = int(input('add the number:'))
    numbrs.append(new_number)
    print('the nunber that you saved is:','\n',new_name,new_number)

# chose options
def chose():
    while True:
        ch1 = input('chose new or look:')
        if ch1 == 'look':
            while True:
                ch2 = input('do you like to look by name or number\n type "name" or "number":')
                if ch2 == 'name':
                    enter_name()
                    break
                elif ch2 == 'number':
                    enter_numbr()
                    break
                else:
                    print('enter only "name" or "number"')
        elif ch1 == 'new':
            save_number()
            break
        else:
            print('type only "new" or "look"')

while True:
    chose()