def __init__(self, fileName):
inStream = InStream(fileName)
self._name = inStream.readLine() # Customer name
self._cash = inStream.readFloat() # Cash balance
self._stockCount = inStream.readInt() # Number of stocks
# Stock symbols
self._stocks = stdarray.create1D(self._stockCount, 0)
# Share counts
self._shares = stdarray.create1D(self._stockCount, 0)
for i in range(self._stockCount):
self._shares[i] = inStream.readInt()
self._stocks[i] = inStream.readString()
def map_data(filename, rows, cols):
# read data from filename into a 2D array
instream = InStream(filename)
data = []
for n in range(rows):
data.append([])
for m in range(cols):
data[n].append(instream.readInt())
return data
def __init__(self, filename):
instream = InStream(filename)
n = instream.readInt()
radius = instream.readFloat()
stddraw.setXscale(-radius, +radius)
stddraw.setYscale(-radius, +radius)
self._bodies = stdarray.create1D(n)
for i in range(n):
rx = instream.readFloat()
ry = instream.readFloat()
vx = instream.readFloat()
vy = instream.readFloat()
mass = instream.readFloat()
r = Vector([rx, ry])
v = Vector([vx, vy])
self._bodies[i] = Body(r, v, mass)
def __init__(self, filename):
instream = InStream(filename)
n = instream.readInt()
radius = instream.readFloat()
stddraw.setXscale(-radius, +radius)
stddraw.setYscale(-radius, +radius)
self._bodies = stdarray.create1D(n)
for i in range(n):
rx = instream.readFloat()
ry = instream.readFloat()
vx = instream.readFloat()
vy = instream.readFloat()
mass = instream.readFloat()
r = Vector([rx, ry])
v = Vector([vx, vy])
self._bodies[i] = Body(r, v, mass)
def __init__(self, filename):
instream = InStream(filename)
n = instream.readInt()
r = instream.readFloat()
stddraw.setXscale(-r, r)
stddraw.setYscale(-r, r)
self._bodies = []
for i in range(n):
rx = instream.readFloat()
ry = instream.readFloat()
vx = instream.readFloat()
vy = instream.readFloat()
mass = instream.readFloat()
name = instream.readString()
r = Vector([rx, ry])
v = Vector([vx, vy])
b = Body(r, v, mass, name)
print('Body created!')
self._bodies.append(b)