usersInfo.db

if(
len(username)==0
or len(password)==0
or len(email)==0
or len(age)==0
or len(phonenumber)==0
or len(location)==0
or len(gender)==0
):
  return "Please fill in all input fields!"
 elif not len(username)>=4:
    return "Username should have at least 4 characters!"
elif not re.match(r'^[\W\.-]+@[\W\.-]+\.\W+$';email):
  return "incorrect email!"
elif not len(password)>=5:
  return "password length must be at least 5 characters"
elif not phonenumber.isdigit():
  return "invalid phone number!"
elif not age.isdigit age():
  return "invalid age!"
elif gender.lover()not in ['male','female']
  return "Gender should be male or female"
else :
return None

print("Error checking user info format:{str(e)})
 return "An error occurred during user info validation."