In [1]:
print('hello world')

hello world
In [2]:
python hi.py

  File "/tmp/ipykernel_5601/20599173.py", line 1
    python hi.py
            ^
SyntaxError: invalid syntax
In [3]:
python 'hi.py'

  File "/tmp/ipykernel_5601/1010579365.py", line 1
    python 'hi.py'
                 ^
SyntaxError: invalid syntax
In [4]:
path

---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
/tmp/ipykernel_5601/177386211.py in <module>
----> 1 path

NameError: name 'path' is not defined
In [5]:
def to_f(c):
    return c * (9/5) + 32
In [6]:
to_f(100)
Out[6]:
212.0
In [7]:
to_f(0)
Out[7]:
32.0
In [14]:
def to_c(f):
    if f < -459.67:
        raise ValueError("Temperature value is below absolute zero and itss freezing")
    return (5/9) * (f-32)
In [15]:
to_c(32)
Out[15]:
0.0
In [16]:
def to_f(c):
    if c < -273.15:
        raise ValueError("Temperature value is below absolute zero and itss freezing")
    return c * (9/5) + 32
In [17]:
to_f(-400)

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
/tmp/ipykernel_5601/3754567286.py in <module>
----> 1 to_f(-400)

/tmp/ipykernel_5601/1986318497.py in to_f(c)
      1 def to_f(c):
      2     if c < -273.15:
----> 3         raise ValueError("Temperature value is below absolute zero and itss freezing")
      4     return c * (9/5) + 32

ValueError: Temperature value is below absolute zero and itss freezing
In [18]:
#oke
In [20]:
def sign(num):
    answer = '?'
    if num > 0:
        answer = '+'
    if num < 0:
        answer = '-'
    if num == 0:
        answer = ''
    return answer
In [21]:
sign(12340)
Out[21]:
'+'
In [22]:
sign('asbds')

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
/tmp/ipykernel_5601/4263612129.py in <module>
----> 1 sign('asbds')

/tmp/ipykernel_5601/310610186.py in sign(num)
      1 def sign(num):
      2     answer = '?'
----> 3     if num > 0:
      4         answer = '+'
      5     if num < 0:

TypeError: '>' not supported between instances of 'str' and 'int'
In [23]:
sign(-123123)
Out[23]:
'-'
In [24]:
sign(0)
Out[24]:
''
In [25]:
def sign(num):
    answer = ''
    if num > 0:
        answer = '+'
    if num < 0:
        answer = '-'
    return answer
In [26]:
sign(0)
Out[26]:
''
In [33]:
# 7-1
In [28]:
def gender(name):
    indicated = '?'
    if name[-1] == 'a':
        indicated = 'female'
    if name[-1] == 'o':
        indicated = 'male'
    return indicated
In [29]:
gender('sumo')
Out[29]:
'male'
In [31]:
gender('fish+chips')
Out[31]:
'?'
In [34]:
gender('chickpea')
Out[34]:
'female'
In [35]:
# 7-2
In [47]:
# tatami to egg-cartons
# (if your jap flat needs to be soundproof)
# tatami 910×1820 mm
# egg-carton:100x295 mm (12 eggs)

# total size
tatami = 910 * 1820
egg_carton = 100 *295

# ratio between the tatami and the egg carton
# 56.14
ratio = tatami / egg_carton

def to_eggs(tatami):
    return tatami * 56.14 * 12

def to_tatami(eggs):
    return (eggs / 12) / 56.14

to_tatami(12324)
Out[47]:
18.29277864992151
In [49]:
# lot of eggsss ahah
In [1]:
# 7-3
# sphynx algorithm
# it classifies animal by the number of their legs

# 0 → something that swim or sneak
# 1 → some strange bird
# 2 → something that walk or run
# 3 → maybe an elder one ? 
# 4 → not a snake for sure
# >4 → pests and insects

def how_many(legs):
    animal = '???'
    if legs == 0:
        animal = 'Something that swim or sneak'
    elif legs == 1: 
        animal = 'Some strange bird'
    elif legs == 2:
        animal = 'something that walk or run'
    elif legs == 3:
        animal = 'maybe an elder one ?'
    elif legs == 4:
        animal = 'not a snake for sure'
    elif legs > 4:
        animal = 'little insect or spidey'
    return animal
In [2]:
  how_many(5324)
Out[2]:
'little insect or spidey'
In [3]:
# 7.6 The Factorial
In [4]:
list(range(5))
Out[4]:
[0, 1, 2, 3, 4]
In [5]:
range(5)
Out[5]:
range(0, 5)
In [6]:
list(range(5))
Out[6]:
[0, 1, 2, 3, 4]
In [7]:
range(5,10)
Out[7]:
range(5, 10)
In [8]:
list(range(5,10))
Out[8]:
[5, 6, 7, 8, 9]
In [49]:
def fact(n):
    if n==0:
        return 1
    elif n<0:
        raise(ValueError('Insert a positive number'))
    else:
        return n * fact(n-1)
In [50]:
fact(4)
Out[50]:
24
In [51]:
# fan dei fan
In [52]:
def factorial(n):
    if n < 0:
        raise(ValueError('Insert a positive number'))
    answer = 1
    for num in range(1, n+1):
        answer = answer * num
    return answer
In [53]:
factorial(5)
Out[53]:
120
In [54]:
fact(5)
Out[54]:
120
In [55]:
# nice
In [56]:
factorial(-1)

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-56-5aae425d6a8b> in <module>
----> 1 factorial(-1)

<ipython-input-52-52488708d6ad> in factorial(n)
      1 def factorial(n):
      2     if n < 0:
----> 3         raise(ValueError('Insert a positive number'))
      4     answer = 1
      5     for num in range(1, n+1):

ValueError: Insert a positive number
In [57]:
fact(-1)

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-57-0d859b47dc0b> in <module>
----> 1 fact(-1)

<ipython-input-49-e6a4ffcd222c> in fact(n)
      3         return 1
      4     elif n<0:
----> 5         raise(ValueError('Insert a positive number'))
      6     else:
      7         return n * fact(n-1)

ValueError: Insert a positive number
In [ ]:
# Free Project 7-3 tomorrow now im tired