s03_pfc_conditions.py

# -*- coding: utf-8 -*-
"""S03 - PFC - Conditions.ipynb

Automatically generated by Colaboratory.

Original file is located at
    https://colab.research.google.com/drive/1u9kN_l-AT_FrpOvphTMqeDQFLg-NsafH
"""



"""# Program Flow Control: Conditions
## **`if`** condition
"""

grade = int(input("What is your grade? :"))
if grade < 12:
  print("Failed")

a = 30
b = 3

if b > a:
    print("b is larger")
    print("than a!")

"""**`else`**"""

a = 13
b = 10

if b > a :
    print("b is greater than a")
else:
    print("a is greater than b or equal to b")

"""**`elif`**"""

grade = int(input("What is your grade? :"))

if grade >= 17:
     print("A")
elif grade >= 14:
     print("B")
elif grade >= 12:
     print("C")
else:
     print("F")

"""**short versions of `if`**"""

if a > b : print("a is greater than b")

print("A") if a > b else print("B")

"""**Logical Operators in Conditions**"""

a = 100
b = 50
c = 200

if c>a and c>b:
    print("c larger than both a and b")

"""**Nested `if`s**"""

x = 19

if x > 10:
    print("Above Ten: Pass!")
    if x > 17:
        print("and above 17: A!")
    else:
        print("but not A!")

"""## Keeping more than one value: `list`s, `tuple`s, `set`s, `dict`iornaries

|         | `list` | `tuple` | `set` | `dict` |
|---------|--------|---------|-------|--------|
| mutable |  ✔    |   ❌    |  ✔    |     ✔ |
| duplicate values |  ✔ | ✔ |❌ |❌(key)/✔(value)|
| ordered | ✔ | ✔ | ❌ |❌ |
| how to build | `[a,b,a,d]` | `(a,b,a,d)` | `{a,b,c,d}` | `{a:b,c:d}` |
| how to build| `list()` | `tuple()` | `set()` | `dict()` |
| indexing | `[i]` | `[i]` | ❌ |  `[key]` |
| add new value | `.append(v)` | ❌ | `.add(v)` | `.update({k:v})` | 
| remove item | `.pop(i)` | ❌ | `.pop()` | `.pop(k)` |
| sort | `.sort()` | ❌ | ❌ |  ❌ (you can do some stuff utilizing`sorted()` |
| find first element | `.index(v)` | `.index(v)` | ❌ | `.get(k)` |
| count all found elements | `.count(v)` | `.count(v)` | ❌ | ❌ |
| reverse | `.reverse()` |  ❌ | ❌ | ❌ |
 
"""

l = [1,2,4,5,3,64,"23",5,5,33,9]

print(type(l))

print(l)


print(l[5])
print(type(l[5]))
print(type(l[6]))

l.append(34)
print(l)

t = l.pop(6)
print(l)
print(t)


l.sort()
print(l)


names = ["Parsa","Amirhosein","Amin","Pouria","Moein"]
names.sort()
print(names)

i = l.index(9)
l.pop(i)
print(l)

l.remove(34)
print(l)

l.count(5)

l.reverse()
print(l)

print(l[3])
print(l[2:4])  # items 2 up to (not including) 4
print(l[2:])
print(l[:4])

print("e" in "Majid")

print(5 in l)

t = (1,2,4,5,3,64,"23",5,5,33,9)

print(type(t))

print(t)


print(t[5])
print(type(t[5]))
print(type(t[6]))

i = t.index(9)
print(i)

print(t.count(5))

l1 = [2,3,4,5]
l2 = l1.copy()

print(l1 is l2)

l2.append(16)


print(l1 is l2)

print(l1)

tp = tuple(l2)
print(l2)
print(tp)
l3 = list(tp)
print(l3)

myset = {1,8,34,7,12}

print(myset)

myset.add(14)
print(myset)

m = myset.pop()
print(myset)
print(m)

print(7 in myset)

my_dict = {'a':1,'c':8,'e':7,'d':12,'b':13,'f':11,'g':8}
print(my_dict)
print(type(my_dict))

print(my_dict['e'])

my_dict.update({'h':12})
print(my_dict)

o = my_dict.pop("b")
print(my_dict)
print(o)

del my_dict['a']
print(my_dict)