lab_2_learning_python
.py
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School
University of Texas, Rio Grande Valley *
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Course
2350
Subject
Civil Engineering
Date
Apr 3, 2024
Type
py
Pages
2
Uploaded by suckmyassbuddy
"""
**CIVE 2350: Numerical Methods for Civil Engineers** **Lab B: Learning Python**
"""
import math
# %% Question `sort_last`
"""
# Given a list of non-empty tuples, return a list sorted in increasing
# order by the last element in each tuple.
# e.g. [(1, 7), (1, 3), (3, 4, 5), (2, 2)] yields
# [(2, 2), (1, 3), (3, 4, 5), (1, 7)]
Hint: use `sorted` with a custom key
"""
def sort_last(tup):
tup.sort(key = lambda x: x[1])
return tup
tup = [(1, 7), (1, 3), (3, 4, 5), (2, 2)]
print(sort_last(tup))
# %%
"""
Write a program which can compute the factorial of a given number using a recursive function..
Example:
Input: 8
Output: 40320
"""
def get_factorial(x):
if x == 1:
return 1
else:
return x * get_factorial(x-1)
get_factorial(8)
# %%
"""
Write a function that takes a list and returns a new list that contains a sorted list of unique elements in the first.
Example:
Input: [1, 5, 2, 3, 4, 5, 2, 3, 4]
Output: [1, 2, 3, 4, 5]
"""
def get_uniques(x):
return sorted(set(x))
get_uniques([1, 5, 2, 3, 4, 5, 2, 3, 4])
# %%
"""
Return the average of a list of numbers
Example:
Input: [5, 3, 4, 5, 2]
Output: 3.8
"""
def get_average(x):
return sum(x)/len(x)
x = [5,3,4,5,2]
get_average(x)
# %%
"""
Write a program to calculate the area of a circle. Import the "math" library to get pi
"""
def get_area_circle(radius):
import math
return math.pi*(radius**2)
get_area_circle(4)
#%%
"""
Define a class called "Vehicle".
Write the special __init__ method for the class to take the following
propoerties:
- "color"
- "max_speed_in_miles"
Add a method "get_speed_in_kilometers" to the class, that returns the speed in km by converting the value in "max_speed_in_miles"
"""
class Vehicle():
def __init__(self, color, max_speed_in_miles):
self.color = color
self.max_speed_in_miles = max_speed_in_miles
def get_speed_in_kilometers(self):
return self.max_speed_in_miles*1.609344
v1 = Vehicle(color = 'red', max_speed_in_miles = 60)
v1.get_speed_in_kilometers()
#%%
"""
Write a class for a "Bus" as a subclass (inheritance) from the class
"Vehicle".
"""
class Bus(Vehicle):
pass
b1 = Bus("white", 80)
# %%
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