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import streamlit as st
import numpy as np
import matplotlib.pyplot as plt
def calcular_cashflow(n, A, r, Pi):
cashflow = []
saldo = Pi
for i in range(n):
interes = saldo * (r/100)
abono_capital = A - interes
saldo += abono_capital
cashflow.append(saldo)
return cashflow
def graficar_cashflow(cashflow):
meses = range(1, len(cashflow) + 1)
plt.plot(meses, cashflow, marker='o', linestyle='-')
plt.title('Cashflow por Mensualidad')
plt.xlabel('Mes')
plt.ylabel('Saldo')
plt.grid(True)
st.pyplot()
def main():
st.title('Calculadora de Cashflow')
n = st.number_input("Ingrese el número de mensualidades:", min_value=1, step=1, format='%d')
A = st.number_input("Ingrese el monto de la mensualidad:", min_value=0.0, step=1.0, format='%f')
r = st.number_input("Ingrese la tasa de interés (%):", min_value=0.0, step=0.01, format='%f')
Pi = st.number_input("Ingrese el depósito inicial:", min_value=0.0, step=1.0, format='%f')
if st.button('Calcular y Graficar Cashflow'):
cashflow = calcular_cashflow(int(n), float(A), float(r), float(Pi))
graficar_cashflow(cashflow)
if __name__ == "__main__":
main()
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