add chapter 2

ch2/01.cpp

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+# include <iostream>
+using namespace std;
+
+int main(){
+	string your_name, your_adress;
+	cout << "Enter Your Name" << endl;
+	cin >> your_name;
+	cout << "Enter Your Adress" << endl;
+	cin >> your_adress;
+	cout << "Your Name: " << your_name << endl <<"Your Adress: " << your_adress << endl; 
+	return 0;
+}

ch2/02.cpp

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+# include <iostream>
+using namespace std;
+
+int main(){
+	int long_value, ma_value;
+	cout << "Enter Long" << endl;
+	cin >> long_value;
+	ma_value = 220 * long_value;
+	cout << "Ma is " << ma_value << endl; 
+	return 0;
+}

ch2/03.cpp

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+# include <iostream>
+using namespace std;
+void Double_wd (string b, string c);
+
+int main(){
+	Double_wd ("Three blind mice", "See how they run");
+	return 0;
+}
+
+void Double_wd (string b, string c){
+	string wd1, wd2, wd3;
+	wd1 = b;
+	wd2 = c;
+	cout << wd1 << endl << wd1 << endl << wd2 << endl << wd2 << endl; 	
+}

ch2/04.cpp

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+# include <iostream>
+using namespace std;
+
+int main(){
+	int yr_value, mn_value;
+	cout << "Enter Your Eage" << endl;
+	cin >> yr_value;
+	mn_value = 12 * yr_value;
+	cout << "It contains " << mn_value << " Months"<< endl; 
+	return 0;
+}

ch2/05.cpp

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+# include <iostream>
+using namespace std;
+
+int main(){
+	double ce_value, fa_value;
+	cout << "Enter Celsisus value: ";
+	cin >> ce_value;
+	fa_value = 1.8 * ce_value + 32;
+	cout << ce_value << "degree Celsisus is " << fa_value << " degrees Fahrenheit" << endl; 
+	return 0;
+}

ch2/06.cpp

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+# include <iostream>
+using namespace std;
+
+int main(){
+	double ly_value, au_value;
+	cout << "Enter the number of light years: ";
+	cin >> ly_value;
+	au_value = int(63240 * ly_value);
+	cout << ly_value << " light years = " << au_value << " astronomical unites" << endl; 
+	return 0;
+}

ch2/07.cpp

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+# include <iostream>
+using namespace std;
+void time_output(int h, int m);
+
+int main(){
+	int h, m;
+	cout << "Enter the number of hours: ";
+	cin >> h;	
+	cout << "Enter the number of minutes: ";
+	cin >> m;
+	time_output(h,m);	
+	return 0;
+}
+
+void time_output(int h, int m){
+	cout << "Time: " << h << ":" <<m << endl;
+}