Add 218014739 Assignment 1.py

218014739 Assignment 1.py

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+################################
+#### EXERCISE 1 30 MARKS #####
+################################
+
+
+# Time to review all the basic data types we learned! This should be a 
+# relatively straight-forward and quick assignment.
+
+################
+## Problem 1 - 10 Points ##
+################
+
+# Given the string:
+s = 'fullstackslp'
+
+# Use indexing to print out the following:
+# 'f'
+print(s[0])
+
+# 'p'
+print(s[-1])
+
+# 'stack'
+print(s[4:9])
+
+# 'slp'
+print(s[9:])
+
+# 'cks'
+print(s[7:10])
+
+# Bonus: Use indexing to reverse the string
+print(s[::-1])
+
+
+
+################
+## Problem 2 - LISTS - 5 Marks ##
+################
+
+# Given this nested list:
+l = [3,7,[5,[1,4,'hello']]]
+# Reassign "hello" to be "goodbye"
+
+l[2][1][2] = "goodbye"
+
+print(l)
+
+
+
+################
+## Problem 3 - DICTIONARIES - 6 Marks ##
+################
+
+# Using keys and indexing, grab the 'hello' from the following dictionarties:
+
+d1 = {'simple_key':'hello'}
+print(d1['simple_key'])
+
+d2 = {'k1':{'k2':'hello'}}
+print(d2['k1']['k2'])
+
+d3 = {'k1':[{'nest-key':['this is deep',['hello']]}]}
+d3New = d3['k1'][0]['nest-key'][1][0]
+
+print(d3New)
+
+
+###############
+## Problem 4 - SETS - 4 Marks ##
+###############
+
+# Use a set to find the unique values of the list below:
+mylist = [1,1,1,1,1,2,2,2,2,3,3,3,3]
+
+newlist = set(mylist)
+
+print(newlist)
+
+
+###############
+## Problem 5 - FORMATTING - 5 Marks ##
+###############
+
+
+# You are given two variables:
+age = 45
+name = "Kyle"
+
+
+# Use print formatting to print the following string:
+s = "Hello my dog's name is {} and he looks {} years old".format(name,age)
+
+print(s)

218014739_Assignment2.py

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+# Problem 1: Check if a sequence of numbers appears in the list
+#Check if a sequence of numbers appears in the list
+
+def list_check(num):
+    return 3 in num
+print(list_check([0, 2, 3]))
+
+
+#Problem 2: Extract every second character
+def string_bit(str):
+    return str[::2]
+print(string_bit("heeololeo"))
+
+
+#Problem 3: Check if one string is the end of the other
+def end_other(a, b):
+    a, b = a.lower(), b.lower()
+    return a.endswith(b) or b.endswith(a)
+print(end_other("Charles", "char")) 
+
+
+#Problem 4: Double characters
+def double_char(str):
+    '''
+    Return a string where for every char in the original, there are two chars.
+    '''
+    return ''.join([char * 2 for char in str])  
+
+print(double_char("Hope"))
+
+#Problem 5
+
+def fix_teen(n: int) -> int:
+    """
+    Takes an integer and returns 0 if it's a 'teen' (13-19) except for 15 and 16.
+    """
+    return 0 if 13 <= n <= 19 and n not in (15, 16) else n
+
+def no_teen_sum(a: int, b: int, c: int) -> int:
+    """
+    Returns the sum of three numbers, treating most teen numbers (13-19) as 0,
+    except for 15 and 16, which are counted normally.
+    """
+    return fix_teen(a) + fix_teen(b) + fix_teen(c)
+
+print(no_teen_sum(1, 15, 19))     
+
+#Problem 6: Count even numbers
+
+def count_evens(nums):
+    return sum(1 for num in nums if num % 2 == 0)
+print(count_evens([2, 1, 2, 6, 4]))