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Solved exercise by Ayushi Mittal #161

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212 changes: 103 additions & 109 deletions Python_Exercises.py
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# Answer the questions or complete the tasks outlined in bold below.


def power(a,b):

import numpy as np


def power(a, b):

# ** What is 7 to the power of 4?**

return None

return a**b


def split_str(s):

# ** Split this string:**
#
# s = "Hi there Sam!"
#
# **into a list. **
#
# s = "Hi there Sam!"
#
# **into a list. **

return None
return list(s.split())


def format(planet,diameter):

# ** Given the variables:**
#
# planet = "Earth"
# diameter = 12742
#
# ** Use .format() to print the following string: **
#
# The diameter of Earth is 12742 kilometers.
def format(planet, diameter):

return None
# ** Given the variables:**
#
# planet = "Earth"
# diameter = 12742
#
# ** Use .format() to print the following string: **
#
# The diameter of Earth is 12742 kilometers.

return "The diameter of {} is {} kilometers.".format(planet, diameter)


def indexing(lst):

# ** Given this nested list, use indexing to grab the word "hello" **

#lst = [1,2,[3,4],[5,[100,200,['hello']],23,11],1,7]
# ** Given this nested list, use indexing to grab the word "hello" **

return None
# lst = [1,2,[3,4],[5,[100,200,['hello']],23,11],1,7]

return lst[3][1][2][0]


def dictionary(d):

# ** Given this nested dictionary grab the word "hello". Be prepared, this will be annoying/tricky **

# d = {'k1':[1,2,3,{'tricky':['oh','man','inception',{'target':[1,2,3,'hello']}]}]}
# ** Given this nested dictionary grab the word "hello". Be prepared, this will be annoying/tricky **

# d = {'k1':[1,2,3,{'tricky':['oh','man','inception',{'target':[1,2,3,'hello']}]}]}

return None
return d['k1'][3]['tricky'][3]['target'][3]


def subjective():

# ** What is the main difference between a tuple and a list? **
# Tuple is _______

return None

# ** What is the main difference between a tuple and a list? **
# Tuple is _______

return "immutable"


def domainGet(email):

# ** Create a function that grabs the email website domain from a string in the form: **
#
# [email protected]
#
# **So for example, passing "[email protected]" would return: domain.com**
#
# [email protected]
#
# **So for example, passing "[email protected]" would return: domain.com**

return None
return str(list(email.split("@"))[1])


def findDog(st):

# ** Create a basic function that returns True if the word 'dog' is contained in the input string. Don't worry about edge cases like a punctuation being attached to the word dog, but do account for capitalization. **

return None
# ** Create a basic function that returns True if the word 'dog' is contained in the input string. Don't worry about edge cases like a punctuation being attached to the word dog, but do account for capitalization. **

return "dog" in st.lower()

def countDog(st):

# ** Create a function that counts the number of times the word "dog" occurs in a string. Again ignore edge cases. **
def countDog(st):

return None
# ** Create a function that counts the number of times the word "dog" occurs in a string. Again ignore edge cases. **

return len(st.lower().split("dog")) - 1


def lambdafunc(seq):

# ** Use lambda expressions and the filter() function to filter out words from a list that don't start with the letter 's'. For example:**
#
# seq = ['soup','dog','salad','cat','great']
#
# **should be filtered down to:**
#
# ['soup','salad']
#
# seq = ['soup','dog','salad','cat','great']
#
# **should be filtered down to:**
#
# ['soup','salad']

return None
return list(filter(lambda x: x[0] == "s", seq))


def caught_speeding(speed, is_birthday):


# **You are driving a little too fast, and a police officer stops you. Write a function
# to return one of 3 possible results: "No ticket", "Small ticket", or "Big Ticket".
# If your speed is 60 or less, the result is "No Ticket". If speed is between 61
# and 80 inclusive, the result is "Small Ticket". If speed is 81 or more, the result is "Big Ticket". Unless it is your birthday (encoded as a boolean value in the parameters of the function) -- on your birthday, your speed can be 5 higher in all
# cases. **

return None
# **You are driving a little too fast, and a police officer stops you. Write a function
# to return one of 3 possible results: "No ticket", "Small ticket", or "Big Ticket".
# If your speed is 60 or less, the result is "No Ticket". If speed is between 61
# and 80 inclusive, the result is "Small Ticket". If speed is 81 or more, the result is "Big Ticket". Unless it is your birthday (encoded as a boolean value in the parameters of the function) -- on your birthday, your speed can be 5 higher in all
# cases. **

limits = [60, 80]
if is_birthday:
limits = [65, 85]

## Numpy Exercises
if speed <= limits[0]:
return "No Ticket"
elif speed <= limits[1]:
return "Small Ticket"
else:
return "Big Ticket"

import numpy as np
# Numpy Exercises


def create_arr_of_fives():

#### Create an array of 10 fives
#### Convert your output into list
#### e.g return list(arr)

return None

# Create an array of 10 fives
# Convert your output into list
# e.g return list(arr)
return list(np.full(10, 5))


def even_num():

### Create an array of all the even integers from 10 to 50
### Convert your output into list
### e.g return list(arr)

return None
# Create an array of all the even integers from 10 to 50
# Convert your output into list
# e.g return list(arr)

return list(np.arange(10, 51, 2))


def create_matrix():

### Create a 3x3 matrix with values ranging from 0 to 8
### Convert your output into list
### e.g return (arr).tolist()

return None
# Create a 3x3 matrix with values ranging from 0 to 8
# Convert your output into list
# e.g return (arr).tolist()

return np.arange(9).reshape(3, 3).tolist()


def linear_space():

### Create an array of 20 linearly spaced points between 0 and 1
### Convert your output into list
### e.g return list(arr)

return None
# Create an array of 20 linearly spaced points between 0 and 1
# Convert your output into list
# e.g return list(arr)

return list(np.linspace(0, 1, 20))


def decimal_mat():

### Create an array of size 10*10 consisting of numbers from 0.01 to 1
### Convert your output into list
### e.g return (arr).tolist()

return None
# Create an array of size 10*10 consisting of numbers from 0.01 to 1
# Convert your output into list
# e.g return (arr).tolist()

return np.around(np.linspace(0.01, 1., 100), decimals=2).reshape(10, 10).tolist()


def slices_1():

# This is a given array
arr = np.arange(1,26).reshape(5,5)
arr = np.arange(1, 26).reshape(5, 5)
# array([[ 1, 2, 3, 4, 5],
# [ 6, 7, 8, 9, 10],
# [11, 12, 13, 14, 15],
# [16, 17, 18, 19, 20],
# [21, 22, 23, 24, 25]])

# Write a code to slice this given array
### Convert your output into list
### e.g return (arr).tolist()
# Convert your output into list
# e.g return (arr).tolist()
# array([[12, 13, 14, 15],
# [17, 18, 19, 20],
# [22, 23, 24, 25]])

return None

return arr[2:, 1:].tolist()


def slices_2():

# This is a given array
arr = np.arange(1,26).reshape(5,5)
arr = np.arange(1, 26).reshape(5, 5)
# array([[ 1, 2, 3, 4, 5],
# [ 6, 7, 8, 9, 10],
# [11, 12, 13, 14, 15],
# [16, 17, 18, 19, 20],
# [21, 22, 23, 24, 25]])

# Write a code to slice this given array
### Convert your output into list
### e.g return (arr).tolist()
# Convert your output into list
# e.g return (arr).tolist()
# array([[ 2],
# [ 7],
# [12]])

return None

return (arr[:3, 1:2]).tolist()


def slices_3():

# This is a given array
arr = np.arange(1,26).reshape(5,5)
arr = np.arange(1, 26).reshape(5, 5)
# array([[ 1, 2, 3, 4, 5],
# [ 6, 7, 8, 9, 10],
# [11, 12, 13, 14, 15],
# [16, 17, 18, 19, 20],
# [21, 22, 23, 24, 25]])

# Write a code to slice this given array
### Convert your output into list
### e.g return (arr).tolist()
# Convert your output into list
# e.g return (arr).tolist()
# array([[16, 17, 18, 19, 20],
# [21, 22, 23, 24, 25]])
return None

return (arr[3:]).tolist()


# Great job!
# Great job!