def linspace(x0, dx, x1):
    x = x0
    A = []
    while(x <= x1):
        A.append(x)
        x += dx

def display(A):
    n = len(A)
    for k in range(0,n):
        print('{: 4.0f}'.format(k),'{: 10.3f}'.format(A[k]))

def uniform(a,b):
    A = []
    N = b-a+1
    for i in range(0,a):
        A.append(0)
    for i in range(a,b+0.01):
        A.append(1/N)
    return(A)

def conv(A, B):
    nA = len(A)
    nB = len(B)
    nC = nA + nB - 1
    for n in range(0,nC):
        C.append(0)
        for k in range(0,nA):
            if(((n-k)>=0)&((n-k)<nB)&(k<nA)):
                C[n] += A[k]*B[n-k]
    return(C)

A = [2,3,1]
B = [7,6,5,4]
C = conv(A,B)
display(C)