## IN PYHTON NONE MEANS NOTHING KUCH HI NAHI
# ALWAYS MAKAE ALST ARGUMENT DEFAULT 

def user_info(first_name,last_name,age):
    print(f"your name is {first_name}")
    print(f"your last name is {last_name}")
    print(f"your age is {age}")
user_info("SHAMS","TABREZ",21)

# IF WE MAKE THE LAST ARGUMENT DEFAULT THEN THIS PROGTAM WILL BE WRITE


def user_info(first_name,last_name,age = None):
    print(f"your name is {first_name}")
    print(f"your last name is {last_name}")
    print(f"your age is {age}")
user_info("SHAMS","TABREZ")

# OR IF WE WRITE LIKE THIS


#def user_info(first_name= 'Unknown',last_name='unknown',age):
 #   print(f"your name is {first_name}")
  #  print(f"your last name is {last_name}")
   # print(f"your age is {age}")

#OR     

def user_info(first_name='unknown',last_name='unknown',age=None):
    print(f"your name is {first_name}")
    print(f"your last name is {last_name}")
    print(f"your age is {age}")
user_info()    
42eeddc91c294b127e94bbdc1e0b48e9d5d970f4
<mask token>


def user_info(first_name, last_name, age=None):
    print(f'your name is {first_name}')
    print(f'your last name is {last_name}')
    print(f'your age is {age}')


<mask token>

def user_info(first_name, last_name, age):
    print(f'your name is {first_name}')
    print(f'your last name is {last_name}')
    print(f'your age is {age}')


<mask token>


def user_info(first_name, last_name, age=None):
    print(f'your name is {first_name}')
    print(f'your last name is {last_name}')
    print(f'your age is {age}')


<mask token>

def user_info(first_name, last_name, age):
    print(f'your name is {first_name}')
    print(f'your last name is {last_name}')
    print(f'your age is {age}')


<mask token>


def user_info(first_name, last_name, age=None):
    print(f'your name is {first_name}')
    print(f'your last name is {last_name}')
    print(f'your age is {age}')


<mask token>


def user_info(first_name='unknown', last_name='unknown', age=None):
    print(f'your name is {first_name}')
    print(f'your last name is {last_name}')
    print(f'your age is {age}')


<mask token>

def user_info(first_name, last_name, age):
    print(f'your name is {first_name}')
    print(f'your last name is {last_name}')
    print(f'your age is {age}')


user_info('SHAMS', 'TABREZ', 21)


def user_info(first_name, last_name, age=None):
    print(f'your name is {first_name}')
    print(f'your last name is {last_name}')
    print(f'your age is {age}')


user_info('SHAMS', 'TABREZ')


def user_info(first_name='unknown', last_name='unknown', age=None):
    print(f'your name is {first_name}')
    print(f'your last name is {last_name}')
    print(f'your age is {age}')


user_info()

## IN PYHTON NONE MEANS NOTHING KUCH HI NAHI
# ALWAYS MAKAE ALST ARGUMENT DEFAULT 

def user_info(first_name,last_name,age):
    print(f"your name is {first_name}")
    print(f"your last name is {last_name}")
    print(f"your age is {age}")
user_info("SHAMS","TABREZ",21)

# IF WE MAKE THE LAST ARGUMENT DEFAULT THEN THIS PROGTAM WILL BE WRITE


def user_info(first_name,last_name,age = None):
    print(f"your name is {first_name}")
    print(f"your last name is {last_name}")
    print(f"your age is {age}")
user_info("SHAMS","TABREZ")

# OR IF WE WRITE LIKE THIS


#def user_info(first_name= 'Unknown',last_name='unknown',age):
 #   print(f"your name is {first_name}")
  #  print(f"your last name is {last_name}")
   # print(f"your age is {age}")

#OR     

def user_info(first_name='unknown',last_name='unknown',age=None):
    print(f"your name is {first_name}")
    print(f"your last name is {last_name}")
    print(f"your age is {age}")
user_info()    