print("How old are you?" ,end=' ')
age=input()
print("How tall are you?" ,end=' ')
height=input()
print("How much do you weight?" ,end=' ')
weight=input()

print(f"So, you're {age} old. {height} tall and {weight} heavy.")

from sys import argv
script, filename=argv

txt=open(filename)

print("Here's your file {filename}:")
print(txt.read())

print("Here's your filename again:")
file_again=input("> ")

txt_again=open(file_again)

print(txt_again.read())

print('Let\'s practice everthing.')
print('You\'d need to know \'bout escapes with that do:')
print('\n newlines and \t tabs.')

poem="""
\t The lovely world
with logic so firmly planted
cannot discern \n the needs of love
nor comprehend passion from intuition
and requires an explanation
\n\t\twhere there is none.
"""

print("----------")
print(poem)
print("----------")

five=10-2+3-6
print(f"This should be five: {five}")

def secret_formula(started):
    jelly_beans=started*500
    jars=jelly_beans/1000
    crates=jars/100
    return jelly_beans,jars,crates

start_point=10000
beans,jars,crates=secret_formula(start_point)

#remember that this is another way to format a string
print("With a starting point of: {}".format(start_point))
#it's just like with an f""string
print(f"We'd have {beans} beans,{jars} jars,and {crates} crates.")
start_point=start_point /10

print("We can also do that this way:")
formula=secret_formula(start_point)
#this is an easy way to apply a list to a format string
print("We'd have {} beans,{} jars, and {} crates.".format(*formula))

people=20
cats=20
dogs=15

if people < cats:
    print("Too many cats!The world is doomed!")

if people > cats:
    print("Not many cats! The world is saved!")
    
if people < dogs :
    print("The world is drooled on!")

if people > dogs:
    print("The world is dry!")

dogs += 4

if people >= dogs :
    print("People are greater than or equal to dogs.")

if people <=dogs:
    print("People are less than or equal to dogs.")

if people ==dogs:
    print("People are dogs.")


print("How old are you?" ,end=' ')
age=input()
print("How tall are you?" ,end=' ')
height=input()
print("How much do you weight?" ,end=' ')
weight=input()

print(f"So, you're {age} old. {height} tall and {weight} heavy.")

from sys import argv
script, filename=argv

txt=open(filename)

print("Here's your file {filename}:")
print(txt.read())

print("Here's your filename again:")
file_again=input("> ")

txt_again=open(file_again)

print(txt_again.read())

print('Let\'s practice everthing.')
print('You\'d need to know \'bout escapes with that do:')
print('\n newlines and \t tabs.')

poem="""
\t The lovely world
with logic so firmly planted
cannot discern \n the needs of love
nor comprehend passion from intuition
and requires an explanation
\n\t\twhere there is none.
"""

print("----------")
print(poem)
print("----------")

five=10-2+3-6
print(f"This should be five: {five}")

def secret_formula(started):
    jelly_beans=started*500
    jars=jelly_beans/1000
    crates=jars/100
    return jelly_beans,jars,crates

start_point=10000
beans,jars,crates=secret_formula(start_point)

#remember that this is another way to format a string
print("With a starting point of: {}".format(start_point))
#it's just like with an f""string
print(f"We'd have {beans} beans,{jars} jars,and {crates} crates.")
start_point=start_point /10

print("We can also do that this way:")
formula=secret_formula(start_point)
#this is an easy way to apply a list to a format string
print("We'd have {} beans,{} jars, and {} crates.".format(*formula))

people=20
cats=20
dogs=15

if people < cats:
    print("Too many cats!The world is doomed!")

if people > cats:
    print("Not many cats! The world is saved!")
    
if people < dogs :
    print("The world is drooled on!")

if people > dogs:
    print("The world is dry!")

dogs += 4

if people >= dogs :
    print("People are greater than or equal to dogs.")

if people <=dogs:
    print("People are less than or equal to dogs.")

if people ==dogs:
    print("People are dogs.")


\t The lovely world with logic so firmly planted cannot discern \n the needs of love nor comprehend passion from intuition and requires an explanation \n\t\twhere there is none. #remember that this is another way to format a string #it's just like with an f""string #this is an easy way to apply a list to a format string