Math Assignment

\documentclass[10pt]{article}
 
\usepackage[margin=1in]{geometry} 
\usepackage[utf8]{inputenc}
\usepackage{amsmath,amsthm,amssymb,amsfonts, graphicx, multicol, array, lipsum}
\usepackage{xcolor}
\usepackage{tikz, tcolorbox}
\usepackage{siunitx}

\newcommand{\N}{\mathbb{N}}
\newcommand{\Z}{\mathbb{Z}}
 
\newenvironment{Problem}[2][Problem]{\begin{trivlist}
\item[\hskip \labelsep {\bfseries #1}\hskip \labelsep {\bfseries #2.}]}{\end{trivlist}}

\begin{document}
                                    %heading
\title{Assignment 1}
\author{Name\\
Course num. - Mathematics}
\maketitle
                                %problem 1
\begin{Problem}{1}

\end{Problem}
                                %Solution problem 1
\begin{proof}

\end{proof}



                                %problem 2
\begin{Problem}{2}

\end{Problem}
                                %Solution problem 2
\begin{proof}

\end{proof}



                                %problem 3
\begin{Problem}{3}

\end{Problem}
                                %Solution problem 3
\begin{proof}

\end{proof}



                                %problem 4
\begin{Problem}{4}

\end{Problem}
                                %Solution problem 4
\begin{proof}

\end{proof}



                                %problem 5
\begin{Problem}{5}

\end{Problem}
                                %Solution problem 5
\begin{proof}

\end{proof}



                                %problem 6
\begin{Problem}{6}

\end{Problem}
                                %Solution problem 6
\begin{proof}

\end{proof}



                                %problem 7
\begin{Problem}{7}

\end{Problem}
                                %Solution problem 7
\begin{proof}

\end{proof}
\end{document}