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Python codes and answers cheat code pdf

a = 1       # integer
b = 1.1     # float
c = 1 + 2j  # complex number (a + bi)
d = “a”     # string
e = True    # boolean (True / False)

Source: programmingwithmosh.com

Python codes and answers cheat code pdf

if x == 1:  
    print(“a”)
elif x == 2:  
    print(“b”)
else:   
    print(“c”)
 
# Ternary operator 
x = “a” if n > 1 else “b”
 
# Chaining comparison operators
if 18 <= age < 65:

Source: programmingwithmosh.com

Python codes and answers cheat code pdf

values = (x * 2 for x in range(10000))
len(values)  # Error
for x in values:

Source: programmingwithmosh.com

Python codes and answers cheat code pdf

from array import array 
 
numbers = array("i", [1, 2, 3])

Source: programmingwithmosh.com

Python codes and answers cheat code pdf

first = {1, 2, 3, 4}
second = {1, 5}
 
first | second  # {1, 2, 3, 4, 5}
first & second  # {1}
first - second  # {2, 3, 4}
first ^ second  # {2, 3, 4, 5}
 
if 1 in first: 
    ...

Source: programmingwithmosh.com

Python codes and answers cheat code pdf

for n in range(1, 10): 
    print(n)
 
while n < 10: 
    print(n)
    n += 1

Source: programmingwithmosh.com

Python codes and answers cheat code pdf

first = [1, 2, 3]
second = [4, 5, 6]
combined = [*first, "a", *second]
 
first = {"x": 1}
second = {"y": 2}
combined = {**first, **second}

Source: programmingwithmosh.com

Python codes and answers cheat code pdf

0
“”
[]

Source: programmingwithmosh.com

Python codes and answers cheat code pdf

point = {"x": 1, "y": 2}
point = dict(x=1, y=2)
point["z"] = 3
if "a" in point: 
    ... 
point.get("a", 0)   # 0
del point["x"]
for key, value in point.items(): 
   ... 
 
# Dictionary comprehensions 
values = {x: x * 2 for x in range(5)}

Source: programmingwithmosh.com

Python codes and answers cheat code pdf

point = (1, 2, 3)
point(0:2)     # (1, 2)
x, y, z = point 
if 10 in point: 
    ... 
 
# Swapping variables 
x = 10
y = 11
x, y = y, x

Source: programmingwithmosh.com

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