added new files

Problem1.py

+def collapse(L):
+    new_L = []
+    L = (list(map(lambda x: list(map(lambda y: new_L.append(y), x)), L)))
+    s = ' '.join(new_L)
+    return s
\ No newline at end of file

Problem2.py

+from itertools import islice
+		
+def nList(L,n):
+	m=[]
+	z=len(L)
+	for i in range (0, 	n):
+		p=list(islice(L,i,z,n))
+		m.append(p)
+	return m
\ No newline at end of file

Problem3.py

+def genPrime(N):
+    start = list(map(lambda x: x, list(range(2, N))))
+    multi = list(map(lambda x: list(filter(lambda y: y % x == 0 and y > x, start)), start))
+    new_multi = []
+    multi = (list(map(lambda x: list(map(lambda y: new_multi.append(y), x)), multi)))
+    new_multi = set(new_multi)
+    primes = list(filter(lambda x: x not in new_multi, start))
+    return primes
\ No newline at end of file

Problem4.py

+def fib():
+    a, b = 0, 1
+    while True:
+        yield a
+        a, b = b, a + b
\ No newline at end of file

Problem5.py

+from numpy import *
+import csv
+import math
+from numpy.linalg import inv
+
+def closedForm():
+	crim = []
+	zn = []
+	indus = []
+	chas = []
+	nox2 = []
+	rm2 = []
+	age = []
+	dis = []
+	lnrad = []
+	tax = []
+	ptr = []
+	b = []
+	lnstat = []
+	y = []
+	c = 0
+	with open("train.csv") as f:
+		csvReader = csv.reader(f)
+		for r in csvReader:
+			c = c+1
+			if c == 1:
+				continue
+			crim.append(float(r[1]))
+			zn.append(float(r[2]))
+			indus.append(float(r[3]))
+			chas.append(float(r[4]))
+			nox2.append(float(r[5])**2)
+			rm2.append(float(r[6])**2)
+			age.append(float(r[7]))
+			dis.append(float(r[8]))
+			lnrad.append(log(float(r[9])))
+			tax.append(float(r[10]))
+			ptr.append(float(r[11]))
+			b.append(float(r[12]))
+			lnstat.append(log(float(r[13])))
+			y.append(float(r[14]))
+	crim = array(crim)
+	zn = array(zn)
+	indus = array(indus)
+	chas = array(chas)
+	nox2 = array(nox2)
+	rm2 = array(rm2)
+	age = array(age)
+	dis = array(dis)
+	lnrad = array(lnrad)
+	tax = array(tax)
+	ptr = array(ptr)
+	b = array(b)
+	lnstat = array(lnstat)
+	y = array(y)
+	on = ones(400)
+	x = column_stack((on,crim,zn,indus,chas,nox2,rm2,age,dis,lnrad,tax,ptr,b,lnstat))
+	xtranspose = x.T
+	xxt = dot(xtranspose,x)
+	xxtinv = inv(xxt)
+	prod2 = dot(xxtinv,xtranspose)
+	finalprod = dot(prod2,y)
+	return finalprod
\ No newline at end of file

readme.txt

+harshcse
+
+---------------------
+Team HuffleClaw
+---------------------
+
+Roll no.s - 160050011, 160050012, 160010056
+
+Contributions :-
+160050011 - 1, 3
+160050012 - 2, 4
+160010056 - 5
+
+Citations :-
+1. https://docs.python.org/3/library/index.html
+2. https://stackoverflow.com/questions/37418611/map-convert-a-nested-for-loop-to-map-equivalent
+3. https://stackoverflow.com/a/14753067
+4. https://pythonspot.com/en/reading-csv-files-in-python/
+5. https://docs.scipy.org/doc/numpy/reference/generated/numpy.linalg.inv.html
+6. https://stackoverflow.com/questions/20151141/how-to-get-length-of-a-list-of-lists-in-python
+7. https://www.programiz.com/python-programming/anonymous-function
+8. https://pymotw.com/2/itertools/
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