#Learning Python

#More exercises Python

#Basics1 - Integers, Floats and maths

x = 5

x = x**x

x #= 3125

g = 5

h = 7

h = g + h

h #= 12

w = 7 % 3

w #= 1

z = 5

z += 2

z #= 7

a = 45

a *= 3

a #= 135

#Basics2 - Strings,Lists, Tuples and Dictionaries

a = str(int(2.23) + float(14)) + "tomatoes"

a #= '16.0 tomatoes'

"ham Ham".upper()

#HAM HAM"

"SUPER Baby".lower()

#'super baby'

b = "I am ham"

b.split()

#['I', 'am', 'ham']

b.split("m")

#['I a', ' ha', '']

b.join(a)

#'1I am ham6I am ham.I am ham0I am hamtI am hamoI am hammI am hamaI am hamtI am hamoI am hameI am hams'

s ="-";

seq = ("a","b","c");

print s.join(seq)

#a-b-c

"int: %d, float %5f" % (14.44, 55.2)

#'int: 14, float 55.200000'

L =[1,6,7,26,8,3,4,5]

L[:]

#[1, 6, 7, 26, 8, 3, 4, 5]

L[:2]

#[1, 6]

L[2:]

#[7, 26, 8, 3, 4, 5]

L[::2]

#[1, 7, 8, 4]

L[1::2]

#[6, 26, 3, 5]

L = [1,2,3]

x = [5,6,L]

x #=[5,6[1,2,3]]

myDict = {14:"Ham", 20: "sandwich"}

myDict.keys() #[20, 14]

myDict.values()#['sandwich', 'Ham']

len(myDict) #2

#Basics3 - Conditionals,if,else,elif

if(7<6) and (4>3):

print "if"

elif(7>6):

print "elif"

else:

print "else"

#elif

if not(6):

print"yep"

else:

print "nope"

#nope

if(7)or(3>5):

print"yep"

else:

print"nope"

#yep

#Basics4 - Loops

fiboSeq = []

a,b = 0,1

while(b<1000):

fiboSeq.append(a)

a,b = b,a +b

print(fiboSeq)

#[0,1,1,2,3,5,8,13,21,34,55,89,144,233,377,610]

primes = []

for i in range(2,100):

for x in range(2,i):

if(i%x ==0):

break

else:

primes.append(i)

print(primes)

#[2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97]

factorial = 0

for i in range(30):

factorial += i

print factorial

#435

#Basics5 - Exception Handling

try:

x = 1.0/0.0

except ZeroDivisionError:

print("Got it! I'm awesome!")

finally:

raise TypeError("Just kidding!")

#Got it! I'm awesome!

#Traceback (most recent call last):

# File "/...", line 6, in <module>

# raise TypeError("Just kidding!")

#TypeError: Just kidding!

for i in [[1,2,3],[4,5],[6,7]]:

for j in i:

if(4<j <=6):

print(j)

#5

#6

#Basics6

def returnTwo():

return 20,30

x,y = returnTwo()

print(x,y)

#(20, 30)

def mul(x,y):

return x*y

##FACTORIAL

print reduce(mul,range(1,11))

#3628800

def cubeFunc(x):

'''Returns the cube of value passed in.'''

return x*x*x

print list(map(cubeFunc,range(1,11)))

#[1, 8, 27, 64, 125, 216, 343, 512, 729, 1000]

def myAdd(var1,var2 = 10):

return var1 + var2

print(myAdd(7))

print(myAdd(8,5))

#17

#13